Corner forming mechanism of a multi-section square wave forming machine

Abstract

A corner forming mechanism of a multi-section square wave forming machine, characterized in that it includes a main expansion head, a template, a guide plate, a template clamping mechanism and a linkage mechanism; the template clamping mechanism and the linkage mechanism are arranged on the top surface of the guide plate; the template clamping mechanism includes a template guide block and a template pressing plate, the template guide block is arranged at the front end of the guide plate, the template pressing plate is arranged above the template guide block, and the template is arranged between the template pressing plate and the template guide block; the linkage mechanism includes a pressing block, a connecting rod, a guide slider, a guide slide rail and a connecting block, the pressing block is arranged on the guide At the rear end of the guide block, a kingpin shaft is arranged in the center of the pressure block, and a clamping plate is arranged at the lower end of the kingpin shaft. The top surface of the clamping plate and the bottom surface of the pressure block clamp and fix the rear end of the template. The guide slide rail is fixed to the rear end of the guide plate, and the guide slider is sleeved outside the guide slide rail and slides along the guide slide rail. The connecting block is arranged at the rear end of the guide slider and abuts against the side wall of the main expansion head. The cross-section of the main expansion head is an inverted trapezoid. The main expansion head is pressed down to push the connecting block to move forward. A connecting rod is arranged between the guide slider and the pressure block. The front end of the connecting rod is fixed to the kingpin shaft, and the rear end of the connecting rod is connected to the guide slider through a rotating pin shaft.

Description

Technical Field

[0001] The invention relates to a mold linkage mechanism, in particular to a corner forming mechanism for a multi-section square wave forming machine. Background Art

[0002] For the overall bulging of multi-layer rectangular corrugated pipes, it is required that each layer has only one longitudinal weld, the cross-sectional shape of the pipe body is characterized by a rounded corner, and the ratio of the rounded corner radius to the length of the straight side is greater than 2. Due to the requirements of the rectangular cross-section, the manufactured forming machine needs to be suitable for the manufacture of corrugated pipes with different cross-sections (i.e. different aspect ratios). The corner structure of the mechanical bulging forming machine needs to be specially designed to meet the adaptability requirements of variable cross-sections. However, there is currently no such multi-adaptable square wave forming machine, let alone a forming machine that can meet the requirements of multiple cross-sections. Summary of the invention

[0003] To solve the above problems, the present invention provides the following solutions:

[0004] A corner forming mechanism of a multi-section square wave forming machine, comprising a main expansion head, a template, a guide plate, a template clamping mechanism and a linkage mechanism, wherein the template clamping mechanism and the linkage mechanism are arranged on the top surface of the guide plate; the template clamping mechanism comprises a template guide block and a template pressing plate, wherein the template guide block is arranged at the front end of the guide plate, the template pressing plate is arranged above the template guide block, and the template is arranged between the template pressing plate and the template guide block; the linkage mechanism comprises a pressing block, a connecting rod, a guide slider, a guide slide rail and a connecting block, wherein the pressing block is arranged behind the guide block The pressing block is provided with a main pin shaft at the center, a clamping plate at the lower end of the main pin shaft, and the top surface of the clamping plate and the bottom surface of the pressing block clamp and fix the rear end of the template, the guide slide rail is fixed to the rear end of the guide plate, the guide slider is sleeved outside the guide slide rail and slides along the guide slide rail, the connecting block is arranged at the rear end of the guide slider and abuts against the side wall of the main expansion head, the cross-section of the main expansion head is an inverted trapezoid, and the main expansion head is pressed downward to push the connecting block to move forward, a connecting rod is arranged between the guide slider and the pressing block, the front end of the connecting rod is fixed to the main pin shaft, and the rear end of the connecting rod is connected to the guide slider through a rotating pin shaft.

[0005] Furthermore, a template guide groove is provided on the rear half of the top surface of the template guide block, and the clamping plate at the lower end of the kingpin shaft is arranged in the template guide groove and can slide along the template guide groove.

[0006] Furthermore, the template pressing plate is connected to the template guiding block by bolts, a template sliding groove is provided at the rear end of the template, and the bolts pass through the template sliding groove.

[0007] Furthermore, the rear ends of the template guide block are provided with lateral guard plates of the same structure and arranged opposite to each other. The lateral guard plates are L-shaped guard plates with the short sides of the lateral guard plates located at the upper ends, and the pressure block is arranged between the short sides of the lateral guard plates.

[0008] Furthermore, a connecting rod embedding groove is provided at the rear end of the pressing block, and the front end of the connecting rod is inserted into the connecting rod embedding groove and fixed by the kingpin shaft.

[0009] Furthermore, the guide sliding block is provided with two parallel guide grooves, and each guide groove is correspondingly sleeved on a guide rail.

[0010] Furthermore, a connecting rod connection block is provided at the top end of the guide slider, a steering connecting plate is provided at the front end of the connecting rod connection block, and the rear end of the connecting rod is hinged to the steering connecting plate.

[0011] Furthermore, a connecting block guide groove is provided on the side wall of the main expansion head, and a connecting block guide block is provided at the rear end of the connecting block, and the connecting block guide block is embedded in the connecting block guide groove and slides along the connecting block guide groove.

[0012] When in use, insert the rear end of the template between the pressing block and the clamping plate, place the front end of the template above the template guide block, fix the pressing block to tighten the template, place the template pressing plate above the front end of the template, and screw in the bolts. Under the action of the hydraulic press, the main expansion head is pressed down, and the connecting block pushes the guide slider forward under the action of the main expansion head, so that the connecting rod applies thrust forward, so that the pressing block pushes the template forward to press the pipe wall to be processed. When the shape of the required pressed corrugation changes, the original template is removed and replaced with a template of the corresponding shape.

[0013] The beneficial effects of the present invention are:

[0014] 1. Use template pressing plate, template guide fast, and pressing block to match the fixed template, which is easy to disassemble and assemble to realize quick replacement of template;

[0015] 2. Replace different model templates to correspond to different square wave shapes;

[0016] 3. Simple structure and easy implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the invention structure;

[0018] Figure 2 It is a cross-sectional view of the present invention.

[0019] In the figure: 1. template pressure plate; 2. template; 3. template guide block; 4. side guard plate; 5. template sliding groove; 6. main pin shaft; 7. pressure block; 8. connecting rod; 9. connecting rod connecting block; 10. rotating pin shaft; 11. steering connecting plate; 12. guide slide block; 13. connecting block; 14. main expansion head; 15. connecting block guide groove; 16. guide slide rail; 17. template guide groove; 18. clamping plate. DETAILED DESCRIPTION

[0020] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0021] Example 1: Figure 1-Figure 2 As shown,

[0022] A corner forming mechanism of a multi-section square wave forming machine, comprising a main expansion head 14, a template 2, a guide plate, a template clamping mechanism and a linkage mechanism, wherein the template clamping mechanism and the linkage mechanism are arranged on the top surface of the guide plate; the template clamping mechanism comprises a template guide block 3 and a template pressing plate 1, wherein the template guide block 3 is arranged at the front end of the guide plate, the template pressing plate 1 is arranged above the template guide block 3, and the template 2 is arranged between the template pressing plate 1 and the template guide block 3; the linkage mechanism comprises a pressing block 7, a connecting rod 8, a guide slider 12, a guide slide rail 16 and a connecting block 13; the pressing block 7 is arranged at the rear end of the template guide block 3, and the center of the pressing block 7 is arranged There is a kingpin shaft 6, and a clamping plate 18 is provided at the lower end of the kingpin shaft 6. The top surface of the clamping plate 18 and the bottom surface of the pressure block 7 clamp and fix the rear end of the template 2; the guide rail 16 is fixed to the rear end of the guide plate, and the guide slider 12 is sleeved outside the guide rail 16 and slides along the guide rail 16. The connecting block 13 is arranged at the rear end of the guide slider 12 and abuts against the side wall of the main expansion head 14. The cross-section of the main expansion head 14 is an inverted trapezoid. The main expansion head 14 presses down to push the connecting block 13 to move forward; a connecting rod 8 is arranged between the guide slider 12 and the pressure block 7. The front end of the connecting rod 8 is fixed to the kingpin shaft 6, and the rear end of the connecting rod 8 is connected to the guide slider 12 through a rotating pin shaft 10.

[0023] The template guide block 3 has a template guide groove 17 at the rear half of the top surface, and the clamping plate 18 at the lower end of the kingpin shaft 6 is arranged in the template guide groove 17 and can slide along the template guide groove 17. The template pressing plate 1 is connected to the template guide block 3 by bolts, and the template 2 has a template sliding groove 5 at the rear end, and the bolts pass through the template sliding groove 5. The template guide block has side guard plates 4 with the same structure and arranged opposite to each other on both sides of the rear end, and the side guard plates 4 are L-shaped guard plates, and the short sides of the side guard plates 4 are located at the upper end. The pressing block 7 is arranged between the short sides of the side guard plates 4. The pressing block 7 has a connecting rod embedding groove at the rear end, and the front end of the connecting rod 8 is inserted into the connecting rod embedding groove and fixed by the kingpin shaft 6. The guide slider 12 has two parallel guide grooves, and each guide groove is respectively sleeved on a guide rail 16. The top of the guide slider 12 is also provided with a connecting rod connecting block 9, and a steering plate is provided at the front end of the connecting rod connecting block 9, and the rear end of the connecting rod 8 is hinged to the steering plate. The side wall of the main expansion head 14 has a connecting block guide groove 15. A connecting block guide block is disposed at the rear end of the connecting block 13 , and the connecting block guide block is embedded in the connecting block guide groove 15 and slides along the connecting block guide groove 15 .

[0024] When in use, the rear end of the template 2 is inserted between the pressing block 7 and the clamping plate 18, and the front end of the template 2 is placed above the template guide block 3. After the pressing block 7 is fixed to tighten the template 2, the template pressing plate 1 is placed above the front end of the template 2 and the bolts are screwed in. Under the action of the hydraulic press, the main expansion head 14 is pressed down, and the connecting block 13 pushes the guide slider 12 forward under the action of the main expansion head 14, so that the connecting rod 8 applies a thrust forward, so that the pressing block 7 pushes the template 2 forward to press the wall of the pipe to be processed. When the shape of the required pressed corrugation changes, the original template is removed and replaced with a template of the corresponding shape.

[0025] Finally, it should be noted that the above examples are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above examples, and many variations are possible. All variations that can be directly derived or associated with the content disclosed by a person skilled in the art should be considered as the protection scope of the present invention.

Claims

1. A corner forming mechanism of a multi-section square wave forming machine, characterized in that: It includes a main expansion head, a template, a guide plate, a template clamping mechanism and a linkage mechanism; the template clamping mechanism and the linkage mechanism are arranged on the top surface of the guide plate; the template clamping mechanism includes a template guide block and a template pressure plate, the template guide block is arranged at the front end of the guide plate, the template pressure plate is arranged above the template guide block, and the template is arranged between the template pressure plate and the template guide block; the linkage mechanism includes a pressure block, a connecting rod, a guide slider, a guide slide rail and a connecting block, the pressure block is arranged at the rear end of the guide block, a main pin shaft is arranged at the center of the pressure block, the guide slide rail is fixed to the rear end of the guide plate, the guide slider is sleeved outside the guide slide rail and slides along the guide slide rail, the connecting block is arranged at the rear end of the guide slider, and is against the side wall of the main expansion head, and the main expansion head is pressed down to push the connecting block to move forward, and a connecting rod is arranged between the guide slider and the pressure block, the front end of the connecting rod is fixed to the main pin shaft, and the rear end of the connecting rod is connected to the guide slider through a rotating pin shaft.

2. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: A template guide groove is arranged on the rear half of the top surface of the template guide block, and the clamping plate at the lower end of the kingpin shaft is arranged in the template guide groove and can slide along the template guide groove.

3. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: The template pressing plate is connected to the template guiding block by bolts, a template sliding groove is arranged at the rear end of the template, and the bolts pass through the template sliding groove.

4. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: Lateral guard plates with the same structure and arranged opposite to each other are arranged on both sides of the rear end of the template guide block. The lateral guard plates are L-shaped guard plates with the short sides of the lateral guard plates located at the upper ends. The pressure block is arranged between the short sides of the lateral guard plates.

5. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: A connecting rod embedding groove is arranged at the rear end of the pressing block, and the front end of the connecting rod is inserted into the connecting rod embedding groove and fixed by the main pin shaft.

6. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: The guide slide block is provided with two parallel guide grooves, and each guide groove is respectively sleeved on a guide rail.

7. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: A connecting rod connecting block is also arranged at the top end of the guide sliding block, a steering connecting plate is arranged at the front end of the connecting rod connecting block, and the rear end of the connecting rod is hinged to the steering connecting plate.

8. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: A connecting block guide groove is formed on the side wall of the main expansion head, and a connecting block guide block is arranged at the rear end of the connecting block. The connecting block guide block is embedded in the connecting block guide groove and slides along the connecting block guide groove.

9. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: A clamping plate is arranged at the lower end of the kingpin shaft, and the top surface of the clamping plate and the bottom surface of the pressing block clamp and fix the rear end of the template.

10. A corner forming mechanism of a multi-section square wave forming machine as claimed in claim 1, characterized in that: The cross section of the main expansion head is inverted trapezoidal.

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