Automatic material blocking mechanism and numerical control bending machine
By designing an automatic material shifting mechanism, the hydraulics are used to keep the material plate unlevel and the precise displacement of the material shifting block is achieved through the movable components, the problem of cumbersome collision and positioning operations in the back-shift process of traditional CNC bending machines is solved, and the safety and accuracy of the material shifting are improved.
Patent Information
- Application Number
- CN202421797795.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-29
AI Technical Summary
Traditional CNC bending machines are prone to rigid collisions between the stopper and parts during the back-shift process, and the left and right positioning devices are cumbersome to operate.
An automatic material barrier mechanism is designed, including a fixed assembly and a movable assembly. The barrier plate is kept unlevel through the operation of the hydraulic device, preventing collisions, and small amplitude displacement and secondary positioning of the material barrier block are achieved through the movable assembly.
The safety and accuracy of the material barrier is achieved, mechanical damage is avoided, and left and right positioning operations are simplified, improving overall operation safety and efficiency.
Smart Images
Figure CN222817681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of CNC bending machines, in particular to an automatic material blocking mechanism and a CNC bending machine. Background Art
[0002] A bending machine is a machine that can bend thin plates. It processes metal materials through mechanical force, hydraulic pressure or electric force to make them bend and deform, thereby meeting the needs of various industries for metal products.
[0003] In the process of back gauge, traditional CNC bending machines move the back gauge to the working position in a straight line. In the process of linear movement, rigid collision between the gauge and the parts is likely to occur, which can easily cause mechanical damage. In addition, the operation process of the left and right positioning device of the traditional CNC bending machine is too cumbersome. Therefore, an automatic gauge mechanism and a CNC bending machine are proposed. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the shortcomings of the prior art, the utility model provides an automatic material blocking mechanism and a CNC bending machine, which have the advantages of safe material blocking and positioning, and solve the problem that the traditional CNC bending machine, when the rear blocking is performed, is moved to the working position in a straight line, which easily causes a rigid collision between the blocking material and the parts, and the operation process of the left and right positioning device is too cumbersome.
[0006] (II) Technical solution
[0007] In order to achieve the above-mentioned safe material blocking and positioning purposes, the utility model provides the following technical solutions:
[0008] On one hand, the utility model provides an automatic material blocking mechanism, comprising a material blocking component, wherein the material blocking component comprises a fixed component and a movable component, and the movable component is installed inside the fixed component.
[0009] The fixing assembly comprises a box body, an inspection cover and bolts. The bolts are threadedly connected to the box body, and the inspection cover is clamped between the bolts and the box body.
[0010] The movable component includes a second hydraulic press, the bottom of which is fixedly installed inside the box, and a first connecting block is fixedly installed on the upper end, the upper end of the first connecting block is rotatably connected to the second connecting block, the upper end of the second connecting block is slidably connected to the first protrusion, the upper end of the first protrusion is fixedly installed with a first rod, the left end of the first rod is rotatably connected to the second rod, the second rod is fixedly installed in the box, the right end of the first rod is rotatably connected to the third rod, the right end of the second rod is rotatably connected to the fourth rod, the upper end of the fourth rod is rotatably connected to the right end of the third rod, and the right end of the third rod is fixedly installed with a stopper block.
[0011] As an optimal technical solution of the utility model, a square through hole 1 is opened on one side of the box body, the inspection cover is plugged into the box body through the through hole 1, bolts are passed through the four corners of the inspection cover, the upper end of the box body is not sealed, and a square through hole 2 is opened at the front end.
[0012] As a preferred technical solution of the utility model, the second hydraulic pressure is located on the bottom surface of the box body, the upper part of the second connecting block is a plate structure, and the lower part is a block structure. A convex groove 1 is provided on the upper end surface of the plate structure, and the first convex block is a convex structure and is slidably connected with the second connecting block through the groove 1.
[0013] As a preferred technical solution of the utility model, the first rod, the third rod and the fourth rod are all located between the second rods, the left end of the third rod is located between the first rods, and the right end is located between the fourth rods.
[0014] As a preferred technical solution of the utility model, when the second hydraulic press is not working and is in a normal state, the first rod and the second rod are parallel to each other and remain horizontal, the baffle plate at the right end of the third rod remains horizontal, and the baffle plate is located outside the box.
[0015] On the other hand, the utility model provides a CNC bending machine, which is internally provided with an automatic material blocking mechanism. The CNC bending machine includes a shell, a bending table is installed at the front end of the shell, a tool is arranged at the front end of the shell, and the tool is located directly above the bending table. A first hydraulic machine is arranged inside the shell, a movable plate is arranged at the upper end of the first hydraulic machine, two left-right symmetrical material blocking components are arranged at the upper end of the movable plate, and two positioning components are slidably clamped at the front end of the bending table.
[0016] One of the positioning components includes a positioning block, a second protrusion is provided at the rear end of the positioning block, two pins are inserted inside the positioning block, a connecting handle is fixedly installed at the front ends of the two pins, the connecting handle is inserted into the front end of the positioning block, two springs are sleeved on the connecting handle, and the springs are located between the pins and the positioning block.
[0017] As a preferred technical solution of the utility model, a convex groove II is provided at the front end of the bending platform, and the second convex block is a convex structure and is slidably engaged with the bending platform through the groove II.
[0018] As a preferred technical solution of the utility model, the rear end of the positioning block is provided with a through hole three connected to the interior, the rear end of the pin passes through the through hole three and contacts the front end of the bending table, and the spring is in a compressed state.
[0019] (III) Beneficial effects
[0020] Compared with the prior art, the utility model provides an automatic material blocking mechanism and a CNC bending machine, which have the following beneficial effects:
[0021] The automatic material blocking mechanism and CNC bending machine, when the material blocking plate is positioned once by the operation of the first hydraulic press, the second hydraulic press is controlled to keep the material blocking plate in a non-horizontal state to prevent the material blocking plate from colliding with the straight line of the machine. The set material blocking component adds a movable component to the traditional material blocking component, and the up and down movement of the second hydraulic press can realize a small displacement of the material blocking block, and the material blocking block can perform secondary positioning on the material blocking position, so that the material blocking is more accurate and safer. At the same time, two positioning components that can slide on the bending table are provided, and the bent object is positioned by sliding the two positioning components, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a cross-sectional view of the overall structure of the utility model;
[0023] Figure 2 It is a schematic diagram of two material blocking components of the utility model;
[0024] Figure 3 This is an exploded view of the material retaining assembly of the utility model;
[0025] Figure 4 This is an exploded view of the transmission assembly of the utility model;
[0026] Figure 5 This is a schematic diagram of the working position of the transmission assembly of the utility model;
[0027] Figure 6 This is a schematic diagram of the overall appearance structure of the utility model;
[0028] Figure 7 This is a schematic diagram of the positioning component of the utility model.
[0029] In the figure: 1, shell; 2, bending table; 3, tool; 4, first hydraulic press; 5, moving plate; 6, material stopper assembly; 7, positioning assembly; 601, box body; 602, inspection cover; 603, bolt; 604, second hydraulic press; 605, first connecting block; 606, second connecting block; 607, first protrusion; 608, first rod; 609, second rod; 610, third rod; 611, fourth rod; 612, material stopper block; 701, positioning block; 702, second protrusion; 703, pin; 704, connecting handle; 705, spring. DETAILED DESCRIPTION
[0030] 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.
[0031] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] Example 1
[0034] See also Figure 2 An automatic material blocking mechanism includes a material blocking component 6, which includes a fixed component and a movable component, and the movable component is installed inside the fixed component.
[0035] See also Figure 3 The fixing assembly includes a box body 601, an inspection cover 602 and a bolt 603. The bolt 603 is threadedly connected to the box body 601, and the inspection cover 602 is clamped between the bolt 603 and the box body 601.
[0036] See also Figure 4-5The movable component includes a second hydraulic cylinder 604, the bottom of which is fixedly installed inside the box body 601, and a first connecting block 605 is fixedly installed on the upper end. The upper end of the first connecting block 605 is rotatably connected to the second connecting block 606, and the upper end of the second connecting block 606 is slidably connected to the first protrusion 607, and a first rod 608 is fixedly installed on the upper end of the first protrusion 607. The left end of the first rod 608 is rotatably connected to the second rod 609, and the second rod 609 is fixedly installed in the box body 601, the right end of the first rod 608 is rotatably connected to the third rod 610, and the right end of the second rod 609 is rotatably connected to the fourth rod 611, the upper end of the fourth rod 611 is rotatably connected to the right end of the third rod 610, and a blocking block 612 is fixedly installed on the right end of the third rod 610.
[0037] It should be noted that the device drives the material blocking assembly 6 to perform primary positioning through the first hydraulic machine 4, and simultaneously performs secondary positioning through the second hydraulic machine 604 inside the material blocking assembly 6 to prevent mechanical damage caused by direct positioning.
[0038] In this embodiment, a square through hole 1 is opened on one side of the box body 601, and the inspection cover 602 is plugged into the box body 601 through the through hole 1. Bolts 603 penetrate the four corners of the inspection cover 602. The upper end of the box body 601 is not sealed, and a square through hole 2 is opened at the front end.
[0039] It should be noted that the inspection cover 602 is provided to facilitate maintenance of the material blocking assembly 6, and the provision of the second through hole facilitates the movement of the movable assembly.
[0040] In this embodiment, the second hydraulic press 604 is located on the bottom surface of the box body 601, the upper part of the second connecting block 606 is a plate structure, and the lower part is a block structure. A convex groove 1 is provided on the upper end surface of the plate structure, and the first convex block 607 is a convex structure and is slidably engaged with the second connecting block 606 through the groove 1.
[0041] It should be noted that the first connecting block 605 and the second connecting block 606 are provided so that the second hydraulic machine 604 maintains a good transmission effect during the upward and downward extension process, and the sliding engagement between the first protrusion 607 and the second connecting block 606 ensures the stable operation of the machine.
[0042] In this embodiment, the first rod 608 , the third rod 610 and the fourth rod 611 are all located between the second rods 609 , the left end of the third rod 610 is located between the first rods 608 , and the right end is located between the fourth rods 611 .
[0043] It should be noted that the four-bar structure connected to each other is more stable during transmission. At the same time, the structure can cause the stopper 612 on the third bar 610 to move slightly by rotating the first bar 608 .
[0044] In this embodiment, when the second hydraulic press 604 is not working and is in a normal state, the first rod 608 and the second rod 609 are parallel to each other and remain horizontal, the baffle plate at the right end of the third rod 610 remains horizontal, and the baffle plate is located outside the box body 601.
[0045] It should be noted that the position and angle of the material blocking plate can be adjusted slightly by extending and retracting the second hydraulic press 604 to prevent the material blocking plate from directly blocking the material and causing the material blocking plate to collide with the machine.
[0046] Example 2
[0047] See also Figure 1 and Figure 6 A CNC bending machine is provided with an automatic material blocking mechanism of embodiment 1 inside. The CNC bending machine includes a shell 1, a bending table 2 is installed at the front end of the shell 1, a tool 3 is provided at the front end of the shell 1, and the tool 3 is located directly above the bending table 2. A first hydraulic pressure 4 is provided inside the shell 1, a movable plate 5 is provided at the upper end of the first hydraulic pressure 4, and two left-right symmetrical material blocking components 6 are provided at the upper end of the movable plate 5. Two positioning components 7 are slidably clamped at the front end of the bending table 2.
[0048] See also Figure 7 A positioning assembly 7 includes a positioning block 701, a second protrusion 702 is provided at the rear end of the positioning block 701, two pins 703 are inserted inside the positioning block 701, and a connecting handle 704 is fixedly installed at the front ends of the two pins 703. The connecting handle 704 is inserted into the front end of the positioning block 701, and two springs 705 are sleeved on the connecting handle 704, and the spring 705 is located between the pin 703 and the positioning block 701.
[0049] It should be noted that the bent object is positioned and fixed by moving the positioning block 701 left and right, and the provided spring 705 and pin 703 have a fixing effect.
[0050] In this embodiment, a convex groove II is provided at the front end of the bending platform 2, and the second protrusion 702 is a convex structure and is slidably engaged with the bending platform 2 through the groove II.
[0051] It should be noted that the provision of the second groove and the second protrusion 702 enables the positioning component 7 to slide more stably and position more accurately.
[0052] In this embodiment, a through hole three connected to the interior is opened at the rear end of the positioning block 701, and the rear end of the pin 703 passes through the through hole three and contacts the front end of the bending table 2, and the spring 705 is in a compressed state.
[0053] It should be noted that, due to the joint action of the pin 703 and the spring 705, the positioning block 701 is not easy to slide. When it needs to be moved, it only needs to pull the connecting handle 704 forward to slide left and right.
[0054] To sum up: the automatic material blocking mechanism and CNC bending machine, when the material blocking plate is positioned once by the operation of the first hydraulic press 4, the second hydraulic press 604 is controlled to keep the material blocking plate in a non-horizontal state to prevent the material blocking plate from colliding with the straight line of the machine. The set material blocking component 6 has a movable component added to the traditional material blocking component 6. The up and down movement of the second hydraulic press 604 is used to realize a small displacement of the material blocking block 612, and the material blocking block 612 is positioned for the material blocking position for the second time, so that the material blocking is more accurate and safer. At the same time, two positioning components 7 that can slide on the bending table 2 are provided. The bent object is positioned by sliding the two positioning components 7, which is convenient to use.
[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic material blocking mechanism, comprising a material blocking assembly, wherein the material blocking assembly comprises a fixed assembly and a movable assembly, wherein the movable assembly is installed inside the fixed assembly, and wherein: The fixing assembly includes a box body, an inspection cover and a bolt, wherein the bolt is threadedly connected to the box body, and the inspection cover is clamped between the bolt and the box body; The movable component includes a second hydraulic press, the bottom of which is fixedly installed inside the box, and a first connecting block is fixedly installed on the upper end, the upper end of the first connecting block is rotatably connected to the second connecting block, the upper end of the second connecting block is slidably connected to the first protrusion, the upper end of the first protrusion is fixedly installed with a first rod, the left end of the first rod is rotatably connected to the second rod, the second rod is fixedly installed in the box, the right end of the first rod is rotatably connected to the third rod, the right end of the second rod is rotatably connected to the fourth rod, the upper end of the fourth rod is rotatably connected to the right end of the third rod, and the right end of the third rod is fixedly installed with a stopper block.
2. The automatic material blocking mechanism according to claim 1, characterized in that: A square through hole one is provided on one side of the box body, the inspection cover is plugged into the box body through the through hole one, bolts are passed through the four corners of the inspection cover, the upper end of the box body is not sealed, and a square through hole two is provided at the front end.
3. The automatic material blocking mechanism according to claim 1, characterized in that: The second hydraulic machine is located on the bottom surface of the box body, the upper part of the second connecting block is a plate structure, and the lower part is a block structure. A convex groove 1 is provided on the upper end surface of the plate structure, and the first convex block is a convex structure and is slidably connected with the second connecting block through the groove 1.
4. The automatic material blocking mechanism according to claim 1, characterized in that: The first rod, the third rod and the fourth rod are all located between the second rods. The left end of the third rod is located between the first rods, and the right end is located between the fourth rods.
5. The automatic material blocking mechanism according to claim 1, characterized in that: When the second hydraulic press is not working and is in a normal state, the first rod and the second rod are parallel to each other and remain horizontal, the baffle plate at the right end of the third rod remains horizontal, and the baffle plate is located outside the box.
6. A CNC bending machine, wherein an automatic material blocking mechanism as claimed in any one of claims 1 to 5 is arranged inside the CNC bending machine, the CNC bending machine comprising a housing, characterized in that: A bending table is installed at the front end of the shell, a tool is arranged at the front end of the shell, and the tool is located directly above the bending table. A first hydraulic machine is arranged inside the shell, a movable plate is arranged at the upper end of the first hydraulic machine, and two left-right symmetrical material blocking components are arranged at the upper end of the movable plate. Two positioning components are slidably clamped at the front end of the bending table; One of the positioning components includes a positioning block, a second protrusion is provided at the rear end of the positioning block, two pins are inserted inside the positioning block, a connecting handle is fixedly installed at the front ends of the two pins, the connecting handle is inserted into the front end of the positioning block, two springs are sleeved on the connecting handle, and the springs are located between the pins and the positioning block.
7. A CNC bending machine according to claim 6, characterized in that: A convex groove II is provided at the front end of the bending platform, and the second convex block is a convex structure and is slidably engaged with the bending platform through the groove II.
8. A CNC bending machine according to claim 6, characterized in that: The rear end of the positioning block is provided with a through hole three connected to the interior, the rear end of the pin column passes through the through hole three and contacts the front end of the bending table, and the spring is in a compressed state.