Rotary maintenance bracket for extrusion die head

By designing a rotating maintenance bracket for the extrusion die head, the die head can be disassembled using a lead screw and guide rail structure, and the internal material of the die head can be cleaned using a rotating device. This solves the problems of die head blockage and maintenance damage, and improves production efficiency and product quality.

CN223735407UActive Publication Date: 2025-12-30ZHEJIANG JINGCHENG MOLD MASCH CO LTD
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Patent Information

Application Number
CN202520165427.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-30
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

After production stops, the material in the die head evaporates and clumps, causing blockage of the die body, affecting the accuracy of subsequent production, and the maintenance process can easily damage the precision of the die body, reducing the quality of the products.

Method used

A rotating maintenance bracket for extrusion die heads was designed. The die head can be disassembled and the die body positioned through a lead screw and guide rail structure. Combined with a rotating device, the internal material of the die head can be quickly cleaned. The bracket includes a worm gear reducer and a handwheel operation.

Benefits of technology

It enables rapid disassembly and cleaning of the mold head, protects the precision of the mold body, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223735407U_ABST
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Abstract

The utility model provides an extrusion die head rotating maintenance support which comprises a base, a longitudinal guide rail and a mounting seat, a first lead screw is in longitudinal threaded connection with the bottom of the mounting seat, a first hand wheel is arranged at the outer end of the first lead screw, and the first hand wheel is rotated to drive the mounting seat to slide back and forth along the longitudinal guide rail. Transverse guide rails are arranged at the tops of the left end and the right end of the mounting base respectively and connected with connecting frames through sliding blocks, the connecting frames are in transverse threaded connection with second lead screws, second hand wheels are arranged at the outer ends of the second lead screws, and the second hand wheels are rotated to drive the left connecting frame and the right connecting frame to slide left and right along the transverse guide rails. An upper die is connected between the tops of the left and right connecting frames on the front side, and a lower die is connected between the tops of the left and right connecting frames on the rear side; and the upper die and the lower die are respectively provided with a rotating device for driving the rotating shaft to rotate to drive the upper die and the lower die to rotate. The upper die and the lower die can be opened front and back to be overturned and positioned, and the interiors of the upper die and the lower die can be cleaned conveniently for maintenance.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of die head, in particular to an extrusion die head rotating maintenance support. BACKGROUND

[0002] After the die head stops production, the material stops flowing, and the material gradually begins to volatilize and slowly dries in the die head over time, causing caking and blocking the die body, affecting the subsequent production precision. Therefore, the die head needs to be opened and cleaned after a period of time. The upper and lower die bodies of the die head have high precision, and improper operation during maintenance can easily damage the upper and lower die bodies, resulting in reduced production precision and poor product quality. SUMMARY

[0003] To solve the above problems, the present application provides an extrusion die head rotating maintenance support, which is suitable for die heads of different width sizes, can disassemble and open the die head, and fix the position and phase of the die body, thereby quickly cleaning the material remaining in the die head.

[0004] The technical scheme of the present application is an extrusion die head rotating maintenance support, comprising a base, characterized in that: a plurality of longitudinal guide rails are arranged on the top surface of the base, a mounting seat is connected to the front and rear positions of the longitudinal guide rails through a sliding block, a first lead screw is connected to the bottom of the mounting seat in a longitudinal screw thread, a first hand wheel is arranged on the outer end of the first lead screw, and the mounting seat slides forward and backward along the longitudinal guide rail by rotating the first hand wheel, horizontal guide rails are arranged on the top of the left and right ends of the mounting seat, a connecting frame is connected to the horizontal guide rails through a sliding block, a second lead screw is connected to the connecting frame in a horizontal screw thread, a second hand wheel is arranged on the outer end of the second lead screw, and the left and right connecting frames slide left and right along the horizontal guide rails by rotating the second hand wheel, an upper die is connected between the top of the left and right connecting frames on the front side, and a lower die is connected between the top of the left and right connecting frames on the rear side; the left and right ends of the upper die and the lower die are installed on the connecting frame through a rotating shaft and a bearing, and a rotating device is arranged at one end of the front connecting frame and the rear connecting frame to drive the rotating shaft to rotate and drive the upper die and the lower die to rotate.

[0005] Preferably, the rotating device comprises a worm gear reducer, a reduction gear, and a power handle, and the power handle is pressed and rotated to drive the worm gear reducer to connect the rotating shaft through the reduction gear after deceleration.

[0006] Preferably, the rotating shaft is provided with a positioning pin hole at an interval of 90° in the circumferential direction, a vertical pin hole is arranged on the top of the connecting frame, and a positioning pin is inserted into the positioning pin hole of the rotating shaft after passing through the vertical pin hole from top to bottom to lock the rotating shaft.

[0007] Preferably, the inner end of the rotating shaft is fixed as a whole with the connecting block, and the connecting block is fixedly connected with the two ends of the upper die or the lower die through screws.

[0008] Preferably, the bottom of the mounting seat is provided with a manual clamp, and the mounting seat is locked by the manual clamp when sliding along the longitudinal guide rail to the position.

[0009] The upper die and the lower die can be opened and closed, and can be turned and positioned, so that the inside of the upper die and the lower die can be cleaned and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the present application;

[0011] Figure 2 It is Figure 1 It is a structural schematic diagram of the present application after removing the upper die and the lower die;

[0012] Wherein: 1 - base; 2 - longitudinal guide rail; 3 - mounting seat; 4 - first lead screw; 5 - first hand wheel; 6 - transverse guide rail; 7 - connecting frame; 71 - vertical pin hole; 8 - second lead screw; 9 - second hand wheel; 10 - upper die; 11 - lower die; 12 - rotating shaft; 121 - positioning pin hole; 13 - rotating device; 131 - worm and gear reducer; 132 - speed reduction gear; 133 - power handle; 14 - positioning pin; 15 - connecting block; 16 - manual clamp. DETAILED DESCRIPTION

[0013] The present application will be further described in detail below with reference to the accompanying drawings.

[0014] As Figure 1 and Figure 2 The present application provides an extrusion die head rotating maintenance support, which comprises a base 1, the top surface of the base 1 is provided with a plurality of longitudinal guide rails 2, the front and rear positions of the longitudinal guide rails 2 are connected with mounting seats 3 through sliding blocks respectively, the bottom of the mounting seat 3 is longitudinally screwed with a first lead screw 4, the outer end of the first lead screw 4 is provided with a first hand wheel 5, the mounting seat 3 is driven to slide forward and backward along the longitudinal guide rail 2 by rotating the first hand wheel 5, the top of the left and right ends of the mounting seat 3 is provided with a transverse guide rail 6 respectively, the transverse guide rail 6 is connected with connecting frames 7 through sliding blocks, the connecting frames 7 are transversely screwed with second lead screws 8, the outer end of the second lead screw 8 is provided with a second hand wheel 9, the left and right two connecting frames 7 are driven to slide left and right along the transverse guide rail 6 by rotating the second hand wheel 9, the top of the left and right two connecting frames 7 on the front side is connected with an upper die 10, and the top of the left and right two connecting frames 7 on the rear side is connected with a lower die 11; the left and right ends of the upper die 10 and the lower die 11 are respectively installed on the connecting frames through rotating shafts 12 and bearings, one end of the connecting frame 7 on the front side and one end of the connecting frame 7 on the rear side are respectively provided with rotating devices 13 to drive the rotating shaft 12 to rotate and drive the upper die 10 and the lower die 11 to rotate.

[0015] On the basis of the above scheme, the rotating device 13 comprises a worm gear reducer 131, a reduction gear 132 and a power handle 133, the power handle 133 is connected with the worm inside the worm gear reducer 131, the power handle 133 is pressed to rotate the worm gear reducer 131, the worm shaft is output, and the reduction gear 132 is connected with the rotating shaft 12.

[0016] In addition, the rotating shaft 12 is provided with a positioning pin hole 121 at an interval of 90° in the circumferential direction, the top of the connecting frame 7 is provided with a vertical pin hole 71, and the positioning pin 14 is inserted into the positioning pin hole 121 of the rotating shaft 12 from top to bottom through the vertical pin hole 71 to lock the rotating shaft 12.

[0017] In addition, the inner end of the rotating shaft 12 is fixed as a whole with the connecting block 15, and the connecting block 15 is fixedly connected with the upper die 10 or the lower die 11 through screws.

[0018] Further, the bottom of the mounting seat 3 is provided with a manual clamp 16, and the mounting seat 3 is locked by the manual clamp 16 when sliding to the position along the longitudinal guide rail 2.

[0019] The working principle of the present application is as follows:

[0020] Firstly, the front and rear mounting seats 3 are controlled to approach to the specified position through the first hand wheel 5, the die head of different width length is installed on the connecting frame 7 through the second hand wheel 9, the left and right connecting frames 7 are moved to the specified distance, the die head is hung down from the working state and installed on the connecting frame 7 through the use of a crane or other tools, the die locking screws of the upper die 10 and the lower die 11 are removed, the upper die 10 and the lower die 11 are separated by controlling the front and rear mounting seats 3 to move outward through the first hand wheel 5, the upper die 10 or the lower die 11 is rotated by 90° through the rotating device 13, and the positioning pin 14 is locked for subsequent cleaning work.

[0021] The above is only a preferred embodiment of the present application, and does not limit the application in any form, and any simple modification, equivalent change or modification made according to the technical principle of the present application to the above embodiment still belongs to the scope of the technical solution of the present application.

Claims

1. An extrusion die rotation maintenance support bracket comprising a base (1), characterized in that: The base (1) top surface is provided with a plurality of longitudinal guide rails (2), the longitudinal guide rails (2) front and rear positions are connected with mounting seat (3) through the slider, the mounting seat (3) bottom is longitudinally screwed with first lead screw (4), the first lead screw (4) outer end head is provided with first hand wheel (5), by rotating first hand wheel (5) drive mounting seat (3) along the longitudinal guide rail (2) back and forth sliding, the mounting seat (3) left and right two ends top are provided with horizontal guide rail (6), the horizontal guide rail (6) is connected with connecting frame (7) through the slider, the connecting frame (7) is transversely screwed with second lead screw (8), the second lead screw (8) outer end head is provided with second hand wheel (9), by rotating second hand wheel (9) drive left and right two connecting frames (7) along the horizontal guide rail (6) left and right sliding, the left and right two connecting frames (7) top between the front side are connected with upper die (10), the left and right two connecting frames (7) top between the back side are connected with lower die (11); The left and right ends of the upper die (10) and the lower die (11) are respectively installed on the connecting frame through the rotating shaft (12) and the bearing, one end of the front connecting frame (7) and the rear connecting frame (7) is respectively provided with a rotating device (13) to drive the rotating shaft (12) to rotate and drive the upper die (10) and the lower die (11) to rotate.

2. A rotating maintenance support for an extrusion die according to claim 1, characterized in that: The rotating device (13) comprises a worm gear reducer (131), a speed reducer gear (132) and a power handle (133), pressing the power handle (133) drives the worm gear reducer (131) to connect the rotating shaft (12) through the speed reducer gear (132) after deceleration.

3. A rotating maintenance support for an extrusion die according to claim 1, characterized in that: The rotating shaft (12) is provided with a positioning pin hole (121) at an interval of 90° in the circumferential direction, the connecting frame (7) top is provided with a vertical pin hole (71), the positioning pin (14) is inserted into the positioning pin hole (121) of the rotating shaft (12) after passing through the vertical pin hole (71) from top to bottom to lock the rotating shaft (12).

4. A rotating maintenance support for an extrusion die according to claim 1, characterized in that: The inner end head of the rotating shaft (12) is fixed with the connecting block (15), and the connecting block (15) is fixedly connected with the two end heads of the upper die (10) or the lower die (11) through screws.

5. A rotating maintenance support for an extrusion die according to claim 1, characterized in that: The mounting seat (3) bottom is provided with a hand clamp (16), and the mounting seat (3) is locked by the hand clamp (16) when sliding along the longitudinal guide rail (2) to the position.