Cold bending machine

Abstract

The utility model discloses a cold bending machine. The cold bending machine comprises a rack; the multi-surface table comprises a plurality of mounting table surfaces which are arranged in the circumferential direction, and the multi-surface table is rotatably mounted on the rack through two ends in the axial direction; the multiple sets of cold bending systems are arranged, and the multiple sets of cold bending systems are correspondingly mounted on the multiple mounting table surfaces of the multi-surface table respectively; the switching mechanism is used for selectively driving the multi-surface table to rotate so as to switch one set of cold bending system on the multi-surface table to a working posture capable of implementing a bending process; and the first driving mechanism is used for providing power for the compression roller in the cold bending system switched to the working posture so that the cold bending system can carry out the bending process. The cold bending machine provided by the utility model can be used for processing bent plates with various different parameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field especially, relates to a cold bending machine for bending plate piece. BACKGROUND

[0002] In prior art, the cold bending machine typically used for bending metal plate piece usually comprises a rack and a cold bending system installed on the rack, the cold bending system comprises a plurality of groups of compression rollers arranged along linear interval, each group of compression rollers comprises upper and lower arranged upper compression roller and lower compression roller, the upper compression roller and the lower compression roller have the inner concave taper surface and the outer convex taper surface that meet, and along the arrangement direction, the taper angle of the taper surface of the compression roller in front is different from the taper angle of the taper surface of the compression roller behind, in this way, the metal plate piece is bent to form a bent plate after being sequentially from behind to front through each group of upper compression roller and lower compression roller.

[0003] However, each cold bending machine in prior art is only configured with a set of cold bending system, which leads to that each cold bending machine can only process a kind of structure of bent plate, for example, can only process the bent plate of the same bending angle, and for another example, can only process the bent plate of the same round angle. SUMMARY

[0004] In view of the above technical problems existing in prior art, the utility model provides a cold bending machine.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A cold bending machine comprises:

[0007] A rack;

[0008] A multi-surface table comprising a plurality of installation surfaces arranged in a circumferential direction, the multi-surface table being rotatably mounted on the rack by two ends in the axial direction;

[0009] A cold bending system comprising a plurality of sets, each set of the cold bending system being correspondingly installed on the plurality of installation surfaces of the multi-surface table;

[0010] A switching mechanism for selectively switching one set of the cold bending system on the multi-surface table to a working posture capable of implementing a bending process by driving the multi-surface table to rotate;

[0011] A first driving mechanism for providing power to the compression rollers in the cold bending system switched to the working posture so that the cold bending system can implement the bending process.

[0012] Preferably, the first driving mechanism is located on one side of the multi-surface table, and the first driving mechanism is arranged on the rack in a manner capable of approaching and moving away from the cold bending system in the working posture; wherein:

[0013] The first driving mechanism is out of driving relationship by moving away from the cold bending system in the working position before switching the cold bending system, and the first driving mechanism is in driving relationship by moving close to the cold bending system in the working position after switching the cold bending system.

[0014] Preferably,

[0015] The end of the driving shaft of each set of cold bending system is provided with a first engaging head.

[0016] The first driving mechanism comprises a first actuator and a plurality of second engaging heads driven by the first actuator to rotate, and the plurality of second engaging heads correspond to the plurality of first engaging heads respectively.

[0017] The first driving mechanism is in synchronous engagement with the plurality of first engaging heads by moving towards the cold bending system, and the first driving mechanism is out of synchronous engagement with the plurality of first engaging heads by moving away from the cold bending system.

[0018] Preferably, the switching mechanism comprises a second driving mechanism and a positioning mechanism; the second driving mechanism is used to drive the multi-surface table to rotate to an angle at which the cold bending system is switched to the working position, and the positioning mechanism is used to keep the multi-surface table at the rotated angle to keep the cold bending system in the working position.

[0019] Preferably, the second driving mechanism comprises a second actuator located at the first end of the multi-surface table in the axial direction to drive the multi-surface table to rotate.

[0020] Preferably, the positioning mechanism comprises a chuck and a chuck head; the chuck is fixed to the second end of the multi-surface table, and a plurality of chuck grooves are arranged circumferentially on the chuck, and the chuck head is installed on the first driving mechanism; wherein:

[0021] After the multi-surface table switches the cold bending system to the working position, when the first driving mechanism is in driving relationship with the cold bending system by moving close to the cold bending system, the chuck head is inserted into the chuck to keep the multi-surface table at the rotated angle by limiting the rotation of the chuck.

[0022] Preferably, the first driving mechanism further comprises a transfer case and a plate frame, the first actuator synchronously drives all the second engaging heads to rotate by the transfer case, the transfer case is fixed to the plate frame, and the plate frame is installed on the rack by the cooperation of the slide rail and the slide block.

[0023] Preferably, the multi-surface table is a three-surface table with three installation surfaces.

[0024] Preferably, the first actuator comprises an electric motor or a hydraulic motor.

[0025] Preferably, the second actuator comprises an electric motor or a hydraulic motor.

[0026] Compared with the prior art, the cold bending machine has the beneficial effects that:

[0027] 1. The cold bending machine is provided with a rotatable multi-surface table, and each mounting surface of the multi-surface table is provided with a set of cold bending system, so that the required cold bending system can be selectively turned to a working posture and the bending process is implemented by driving the multi-surface table to rotate, and a plurality of different parameter bending plates can be processed by using the cold bending machine.

[0028] 2. The cold bending machine is provided with a driving mechanism (first driving mechanism) which is in sliding cooperation with the rack, and the driving mechanism can be combined and separated with the cold bending system through sliding, so that the cold bending machine can be conveniently switched between different cold bending systems, and the design is ingenious.

[0029] 3. The cold bending machine is provided with a positioning mechanism, and when the first driving mechanism is combined with the cold bending system, the positioning mechanism is just positioned on the multi-surface table, so that the cold bending system is in a stable working posture.

[0030] The summary of various implementations or examples of the technology described in the present application is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0031] In the drawings which are not necessarily drawn to scale, like reference numerals can be used to describe similar parts throughout the various illustrations. Like reference numerals having different letter suffixes can represent different instances of the similarly labeled components. The drawings illustrate generally, by way of example, various embodiments of the application and are not limiting of the scope of the application. The drawings are intended to be illustrative and not limiting of the application. The same or similar reference numerals in different drawings can represent the same or similar functionality. Such embodiments of the application can be used in any combination.

[0032] Figure 1 The three-dimensional structure schematic view of the cold bending machine provided by the present application (the second meshing head of the first driving mechanism is in a separated state from the first meshing head of the cold bending system).

[0033] Figure 2 The enlarged view of the partial A of Figure 1

[0034] Figure 3 ​The utility model provides a three -dimensional structure schematic diagram (the second engagement head of first drive mechanism and the first engagement head of cold bending system are in the engagement state) of cold bending machine provided by the utility model.

[0035] Figure 4 The utility model provides the installation state view of the chuck and the plate frame in the cold bending machine provided by the utility model.

[0036] Figure 5 The utility model provides a side view of cold bending machine (cold bending system is not shown).

[0037] Reference signs:

[0038] 10 - rack; 20 - multi -surface table; 21 - installation mesa; 30 - cold bending system; 31 - drive shaft; 32 - first engagement head; 40 - switching mechanism; 41 - second drive mechanism; 411 - second actuator; 42 - positioning mechanism; 421 - chuck; 4211 - clamping groove; 422 - chuck; 50 - first drive mechanism; 51 - first actuator; 52 - transfer case; 53 - second engagement head; 54 - plate frame; 541 - sliding block; 542 - slide rail. DETAILED DESCRIPTION

[0039] Unless otherwise defined, technical terms or scientific terms used in the utility model should be understood as the usual meaning understood by the person skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0040] In order to keep the following description of the utility model embodiments clear and concise, the utility model omits the detailed description of known functions and known components.

[0041] As Figures 1 to 5 The utility model discloses a cold bending machine, the cold bending machine is used for bending the metal plate piece, and the cold bending machine includes: rack, multi -surface table, multiple sets of cold bending system, first drive mechanism, switching mechanism with second drive mechanism and positioning mechanism.

[0042] The multi-face table has a plurality of installation table surfaces arranged circumferentially, for example, the multi-face table has three installation table surfaces as shown in the drawings, and the three installation table surfaces make the cross section of the multi-face table triangular, and the number of the installation table surfaces of the multi-face table is not limited in the utility model, and the multi-face table with three installation table surfaces shown in the drawings is only exemplary.

[0043] Each installation table surface of the multi-face table is provided with a set of cold bending system for implementing the bending process on the metal plate, so that a plurality of cold bending systems are arranged on the multi-face table, when one of the installation table surfaces is rotated to the horizontal state by driving the multi-face table, the cold bending system on the installation table surface can implement the bending work on the metal plate, and the posture of the cold bending system at this time can be called the working posture.

[0044] The plurality of cold bending systems are configured to bend the metal plate into bent plates with different parameters such as different angles and / or different bending radii, so that bent plates with different parameters can be processed by rotating the different cold bending systems to the working posture and making them run, so that a plurality of parameter bent plates can be processed by the cold bending machine provided by the utility model.

[0045] The first driving mechanism is used for driving the cold bending system in the working posture to run, specifically, the first driving mechanism is used for providing power for the rotation of the rotating roller of the cold bending system. The second driving mechanism in the switching mechanism is used for driving the multi-face table to rotate to the working posture of the required cold bending system, and the positioning mechanism in the switching mechanism is used for keeping the multi-face table at the rotated angle, so that the cold bending system implements the bending process in the stable working posture.

[0046] The first driving mechanism comprises a first actuator such as a motor or a hydraulic motor, a transfer case, a plurality of meshing heads (which can be called second meshing heads) and a plate rack. Each set of cold bending system comprises a plurality of groups of rotating rollers (not shown) arranged along the axial direction of the multi-face table, each group of rotating rollers comprises two rotating rollers arranged above and below, and the ends of the driving shafts of all the rotating rollers located on the same side are fixed with meshing heads (which can be called first meshing heads).

[0047] The plate rack of the first driving mechanism is located on one side in the radial direction of the multi-face table, and the plate rack is installed on the rack through the cooperation of the sliding block and the sliding rail, and the plate rack can be radially close to or away from the cold bending system in the working posture by sliding on the rack. The transfer case and the first actuator are fixed on the plate rack, all the second meshing heads are installed on the output end of the transfer case and correspondingly face the first meshing heads of the cold bending system in the working posture, and the first actuator can drive all the second meshing heads to rotate synchronously by distributing power through the transfer case, and the second meshing heads are used for corresponding meshing with the first meshing heads respectively to realize synchronous rotation.

[0048] When it is needed to replace the No. 1 cold bending system with the No. 2 cold bending system to bend the metal plate frame, (not necessarily, three sets of cold bending systems on the multi-surface table with three installation surfaces are named as No. 1 to No. 3 cold bending systems), first, as shown in Figure 1 and Figure 2 , all the second engaging heads of the first driving mechanism are synchronously separated from all the first engaging heads of the No. 1 cold bending system by driving the plate frame away from the No. 1 cold bending system, so as to be synchronously disengaged, then, the multi-surface table is driven to rotate by the second driving mechanism to rotate to an angle at which the installation surface corresponding to the No. 2 cold bending system is in a horizontal state, in this way, the No. 2 cold bending system is turned to the working posture, then, as shown in Figure 3 , the plate frame is driven to move towards the No. 2 cold bending system to make all the second engaging heads of the first driving mechanism engage with all the first engaging heads of the No. 2 cold bending system, so as to synchronously drive each group of compression rollers of the No. 2 cold bending system to rotate to bend the metal plate into a bent plate.

[0049] The second driving mechanism can have various structural types, preferably, the second driving mechanism comprises a second actuator such as an electric motor and a hydraulic motor, the second actuator is arranged at the first end in the axial direction of the multi-surface table, preferably, the second actuator is configured as a step motor for controlling the rotation angle of the multi-surface table.

[0050] After a set of cold bending system is turned to the working posture, and before the bending process is implemented by the set of cold bending system, the multi-surface table is positioned by the positioning mechanism to limit the rotation of the multi-surface table, so as to make the cold bending system stably keep in the working posture. The positioning mechanism comprises a chuck and a chuck head, the chuck is fixed at the second end in the axial direction of the multi-surface table, as shown in Figure 4 and Figure 5 , the chuck head is fixed at the side of the plate frame of the first driving mechanism and faces the chuck, the chuck is provided with circumferentially arranged chuck grooves, after the cold bending system is turned to the working posture, the chuck grooves on the chuck are just opposite to the chuck head on the plate frame, in this way, during the movement of the plate frame towards the cold bending system to make all the second engaging heads engage with all the first engaging heads of the cold bending system, the chuck head is just inserted into the chuck groove of the chuck.

[0051] The cold bending machine provided by the utility model has at least the following advantages:

[0052] 1. The cold bending machine provided by the utility model is provided with a rotatable multi-surface table, and each installation surface of the multi-surface table is provided with a set of cold bending system, so that the required cold bending system can be selectively turned to the working posture and the bending process is implemented by driving the multi-surface table to rotate, so that a plurality of bent plates with different parameters can be processed by using one cold bending machine provided by the utility model.

[0053] 2. The cold bending machine provided by the utility model is provided with a driving mechanism (a first driving mechanism) in sliding cooperation with the rack, the driving mechanism can be combined with and separated from the cold bending system through sliding, so that the cold bending machine can switch different cold bending systems conveniently, and the design is ingenious.

[0054] 3. The cold bending machine provided by the utility model is provided with a positioning mechanism, when the first driving mechanism is combined with the cold bending system, the positioning mechanism just positions the multi-sided table, so that the cold bending system is in a stable working posture.

[0055] In addition, although exemplary embodiments have been described in the utility model, the scope includes any and all embodiments based on the utility model with equivalent elements, modifications, omissions, combinations (for example, solutions of various embodiments are crossed), adaptations, or changes. The elements in the claims will be broadly interpreted based on the language adopted in the claims, and are not limited to the examples described in the specification or during the implementation of the application, and the examples will be interpreted as non-exclusive. Therefore, the specification and examples are intended to be considered only as examples, and the true scope and spirit are indicated by the following claims and the full scope of their equivalents.

[0056] The above description is intended to be illustrative rather than restrictive. For example, the above-described examples (or one or more aspects thereof) can be used in combination with each other. Other embodiments, which those skilled in the art will recognize, can be utilized in addition to those described using other embodiments. In addition, in the above detailed description, various features can be grouped together in one or more embodiments. This should not be interpreted as a requirement that the features be grouped together in any of the claims. Rather, the subject matter of the utility model can be less than all of the features of a particular disclosed embodiment. Thus, the following claims, by way of example or embodiments, are hereby incorporated into the detailed description, where each claim can stand as a separate embodiment and the embodiments can be combined with each other in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims and the full scope of equivalents to which those claims are entitled.

[0057] The above embodiments are only exemplary embodiments of the utility model, and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be considered to fall within the protection scope of the utility model.

Claims

1. A cold bending machine, characterized in that, The cold bending machine comprises: a frame; a multi-face table comprising a plurality of installation table surfaces arranged in a circumferential direction, the multi-face table being rotatably mounted on the frame by two ends in an axial direction; a plurality of sets of cold bending systems, each set of cold bending systems being installed on a corresponding installation table surface of the multi-face table; a switching mechanism for selectively switching one set of cold bending systems on the multi-face table to a working posture capable of performing a bending process by driving the multi-face table to rotate; a first driving mechanism for providing power to a compression roller in the set of cold bending systems switched to the working posture to enable the set of cold bending systems to perform the bending process.

2. The cold bending machine according to claim 1, characterized in that, The first driving mechanism is located on one side of the multi-face table and is arranged on the frame in a manner capable of approaching and moving away from the set of cold bending systems in the working posture; wherein: Before switching the set of cold bending systems, the first driving mechanism is moved away from the set of cold bending systems in the working posture before switching to release the driving relationship, and after switching the set of cold bending systems, the first driving mechanism is moved close to the set of cold bending systems in the working posture after switching to establish the driving relationship.

3. The cold bending machine according to claim 2, wherein: the end portions of the driving shafts of each group of compression rollers of each set of cold bending systems arranged in the axial direction and located on the same side each have a first engaging head; the first driving mechanism comprises a first actuator and a plurality of second engaging heads driven to rotate by the first actuator, and the plurality of second engaging heads are respectively arranged towards the plurality of first engaging heads; the first driving mechanism is moved towards the set of cold bending systems to synchronously engage the plurality of second engaging heads with the plurality of first engaging heads, and the first driving mechanism is moved away from the set of cold bending systems to synchronously disengage the plurality of second engaging heads from the plurality of first engaging heads.

4. The cold bending machine according to claim 2, characterized in that, The switching mechanism comprises a second driving mechanism and a positioning mechanism; the second driving mechanism is used to drive the multi-face table to rotate to an angle at which the set of cold bending systems is switched to the working posture, and the positioning mechanism is used to keep the multi-face table at the rotated angle to keep the set of cold bending systems in the working posture.

5. The cold bending machine according to claim 4, characterized in that, The second driving mechanism comprises a second actuator located at a first end in the axial direction of the multi-face table for driving the multi-face table to rotate.

6. The cold bending machine according to claim 4, characterized in that, The positioning mechanism comprises a chuck and a chuck head; the chuck is fixed on a second end of the multi-face table, and a plurality of chuck grooves are arranged in a circumferential direction on the chuck, and the chuck head is installed on the first driving mechanism; wherein: After the multi-face table switches the set of cold bending systems to the working posture, when the first driving mechanism establishes the driving relationship with the set of cold bending systems by moving close to the set of cold bending systems, the chuck head moves with the first driving mechanism to be inserted into the chuck to keep the multi-face table at the rotated angle by limiting the rotation of the chuck.

7. The cold bending machine according to claim 3, characterized in that The first driving mechanism further comprises a transfer case and a plate frame, all the second engaging heads are synchronously driven to rotate by the transfer case, the transfer case is fixed on the plate frame, and the plate frame is installed on the frame by cooperation of a sliding rail and a sliding block.

8. The cold bending machine according to claim 1, characterized in that, The multi-face table is a three-face table having three installation table surfaces.

9. The cold bending machine according to claim 3, characterized in that, The first actuator comprises an electric motor or a hydraulic motor.

10. The cold bending machine according to claim 5, characterized in that, The second actuator comprises an electric motor or a hydraulic motor. The second actuator comprises an electric motor or a hydraulic motor.

Images