阅读说明：本技术 锻工车间大型轴锻打加工用可调节工件夹持装置 (Adjustable workpiece clamping device for forging machining of large shaft in forging workshop ) 是由 王州雷 于 2019-11-21 设计创作，主要内容包括：本发明公开了锻工车间大型轴锻打加工用可调节工件夹持装置,涉及大型轴加工技术领域,解决了目前使用的大型轴夹持装置主要功能为轴心旋转大型轴,并进行纵向移动的功能,大型轴的一端收到夹持位置的限制,加工时需要配合吊具将其翻转安装,自身不具备翻转功能,不便将大型轴进行完整加工,不利于大型轴的加工使用的问题。锻工车间大型轴锻打加工用可调节工件夹持装置,包括下模块；所述下模块一侧底部通过螺栓固定设置有滑动底板；所述滑动底板顶部通过滑轨连接配合滚轮连接设置有主传动体；通过设置有夹块和传动柱,为大型轴提供了旋转调整角度的功能,为调节装置提供翻转功能,方便快速对轴件翻转,省去吊具的使用。(The invention discloses an adjustable workpiece clamping device for forging and processing a large shaft in a forging workshop, relates to the technical field of large shaft processing, and solves the problems that the conventional large shaft clamping device mainly has the functions of rotating the large shaft around the axis and longitudinally moving the large shaft, one end of the large shaft is limited by a clamping position, the large shaft needs to be overturned and installed by matching with a lifting appliance during processing, does not have an overturning function, is inconvenient to completely process the large shaft, and is not beneficial to processing and using the large shaft. The adjustable workpiece clamping device for forging and processing the large shaft in the forging workshop comprises a lower module; a sliding bottom plate is fixedly arranged at the bottom of one side of the lower module through a bolt; the top of the sliding bottom plate is connected with a main transmission body through a sliding rail and matched with a roller; through being provided with clamp splice and transmission post, for large-scale axle provides the function of rotation angle of adjustment, for adjusting device provides the upset function, conveniently overturn to the axle piece fast, save the use of hoist.)

1. Forging of large-scale axle of forging workshop is beaten and is used adjustable work piece clamping device, its characterized in that: comprises a lower module (1); the bottom of one side of the lower module (1) is fixedly provided with a sliding bottom plate (2) through a bolt; the top of the sliding bottom plate (2) is connected with a main transmission body (3) through a sliding rail and matched with a roller; the top of the main transmission body (3) is fixedly provided with a top plate (4) through a bolt.

2. The adjustable workpiece clamping device for forging processing of the large shaft in the forging workshop as claimed in claim 1, wherein: two groups of lifting modules (6) and two groups of guide rods are fixedly arranged between the main transmission body (3) and the top plate (4) through bolts, the two groups of lifting modules (6) are linked by a group of motors and a chain, and a lifting shaft bracket (5) is movably arranged between the sliding blocks of the lifting modules (6) and matched with the guide rods through bolts; the outer end of one side of the lifting shaft bracket (5) is flush with the side of the main transmission body (3) and is fixedly provided with a speed reducing motor (7) through a bolt; the inner side of the lifting shaft frame (5) is rotatably provided with a fixed claw frame (8) through a shaft, and clamping blocks (9) are arranged in the fixed claw frame (8).

3. The adjustable workpiece clamping device for forging processing of the large shaft in the forging workshop as claimed in claim 2, wherein: the fixed claw frame (8) further comprises a claw frame shaft (801), a sliding rail (802) and a lifting plate (803); one side of the fixed claw frame (8) is integrally provided with a claw frame shaft (801), and the claw frame shaft (801) is rotatably connected with the lifting shaft frame (5); a push rod (10) is rotatably arranged in the middle of the claw frame shaft (801); the inner side of the fixed claw frame (8) is of an invagination structure, four groups of sliding rails (802) are fixedly arranged at two ends of the fixed claw frame through bolts, and lifting plates (803) are fixedly arranged on the inner sides of the sliding rails through bolts.

4. The adjustable workpiece clamping device for forging machining of large shafts in a forging shop according to claim 3, wherein: the fixed claw frame (8) further comprises an L frame (804), a stepping motor (805), a supporting frame (806) and a hydraulic cylinder (807); the top of one group of the lifting plates (803) is integrally provided with an L frame (804), and the top of the L frame (804) is provided with a stepping motor (805); supporting frames (806) are arranged between the fixed claw frames (8) and the lifting plate (803) in a rotating mode through rotating shafts, and hydraulic cylinders (807) are arranged between the middle shafts of the supporting frames (806) and the fixed claw frames (8) in a connecting mode through the rotating shafts.

5. The adjustable workpiece clamping device for forging machining of large shafts in a forging shop according to claim 3, wherein: the fixed claw frame (8) also comprises a ring frame (808) and a spring block (809); round holes are formed in the inner ends of the front sides of the fixed claw frames (8), and ring frames (808) are integrally arranged on the outer sides of the round holes; the inner sides of the ring frames (808) are fixedly provided with elastic blocks (809), and the elastic blocks (809) are of telescopic structures and are internally provided with springs.

6. The adjustable workpiece clamping device for forging machining of large shafts in a forging shop according to claim 3, wherein: the fixed claw frame (8) further comprises a lock catch (810), a lock pin (811) and a tightening bolt (812); one side of the outer end of the claw frame shaft (801) is integrally provided with a lock catch (810), and the middle of the lock catch (810) is provided with a sliding hole; a lock pin (811) is arranged in the sliding hole in a sliding manner, and one side of each lock pin (811) is provided with a notch and matched with the shape of the sliding hole; the outer side of the lock catch (810) is movably provided with a puller bolt (812) through threaded connection.

7. The adjustable workpiece clamping device for forging processing of the large shaft in the forging workshop as claimed in claim 2, wherein: the clamping block (9) further comprises a transmission column (901); a transmission column (901) is uniformly arranged on the outer side of the clamping block (9), and cone-mouth grooves are formed in the periphery of the transmission column (901); the transmission column (901) can be elastically self-locked with the end part of the elastic block (809); the tops of the transmission columns (901) are arranged in the lifting plate (803) through tapered roller bearings, and chain gears are arranged on the outer sides of the top ends of the transmission columns (901) and are in motion connection with the stepping motors (805) through chain transmission.

8. The adjustable workpiece clamping device for forging machining of large shafts in a forging shop according to claim 3, wherein: the push rod (10) further comprises a push disc (1001); a push disc (1001) is fixedly arranged at the inner side end of the push rod (10) through threaded connection, and the inner side of the outer end face of the push disc (1001) is of a conical structure; a cross bar is arranged on the outer side of the push rod (10); a round hole is formed in the middle of the push rod (10), and the push rod (10) can be inserted into the push rod (10) through a lock pin (811) to be fixedly connected.

Technical Field

The invention relates to the technical field of large-scale shaft machining, in particular to an adjustable workpiece clamping device for forging and processing a large-scale shaft in a forging workshop.

Background

When the large shaft is forged, one end of the large shaft needs to be fixed through a movable clamping device, the other end of the large shaft is placed on the module and matched with a hydraulic forging instrument for forging, and the clamping device needs to have a rotating function and perform whole-circle forging processing on the large shaft.

However, the main function of the currently used large shaft clamping device is that the large shaft rotates around the axis and moves longitudinally, one end of the large shaft is limited by a clamping position, the large shaft needs to be matched with a lifting appliance to be overturned and mounted during machining, the large shaft clamping device does not have an overturning function, the large shaft is inconvenient to be completely machined, and the large shaft is not beneficial to machining and using of the large shaft, so that the existing requirements are not met, and the adjustable workpiece clamping device for forging and machining the large shaft in a forging workshop is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide an adjustable workpiece clamping device for forging and processing a large shaft in a forging workshop, and aims to solve the problems that the conventional large shaft clamping device in the background technology mainly has the functions of rotating the large shaft around the shaft center and longitudinally moving, one end of the large shaft is limited by a clamping position, the large shaft needs to be overturned and installed by matching with a lifting appliance during processing, does not have an overturning function, is inconvenient to completely process the large shaft, and is not beneficial to processing and using the large shaft.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the adjustable workpiece clamping device for forging and processing the large shaft in the forging workshop comprises a lower module; a sliding bottom plate is fixedly arranged at the bottom of one side of the lower module through a bolt; the top of the sliding bottom plate is connected with a main transmission body through a sliding rail and matched with a roller; the top of the main transmission body is fixedly provided with a top plate through a bolt.

Preferably, two groups of lifting modules and two groups of guide rods are fixedly arranged between the main transmission body and the top plate through bolts, the two groups of lifting modules are linked through a group of motors matched with chains, and a lifting shaft bracket is movably arranged between the lifting module sliding blocks matched with the guide rods through bolts; the outer end of one side of the lifting shaft bracket is flush with the side of the main transmission body and is fixedly provided with a speed reducing motor through a bolt; the inner side of the lifting shaft frame is rotatably provided with a fixed claw frame through shaft connection, and clamping blocks are arranged in the fixed claw frame.

Preferably, the fixed claw frame further comprises a claw frame shaft, a sliding rail and a lifting plate; a claw frame shaft is integrally arranged on one side of the fixed claw frame and is rotationally connected with the lifting shaft frame; a push rod is rotatably arranged in the middle of the claw frame shaft; the inside of the inner side of the fixed claw frame is of an invagination structure, four groups of sliding rails are fixedly arranged at two ends of the fixed claw frame through bolts, and the inner sides of the sliding rails are fixedly provided with lifting plates through bolts.

Preferably, the fixed claw frame further comprises an L frame, a stepping motor, a supporting frame and a hydraulic cylinder; the top of one group of the lifting plates is integrally provided with an L-shaped frame, and the top of the L-shaped frame is provided with a stepping motor; and a supporting frame is arranged between the fixed claw frame and the lifting plate through rotation of a rotating shaft, and a hydraulic cylinder is arranged between the intermediate shaft of the supporting frame and the fixed claw frame through connection of the rotating shaft.

Preferably, the fixed claw frame further comprises a ring frame and a spring block; round holes are formed in the inner ends of the front sides of the fixed claw frames, and ring frames are integrally arranged on the outer sides of the round holes; the ring frame is characterized in that elastic blocks are fixedly arranged on the inner sides of the ring frame and are of telescopic structures, and springs are arranged inside the elastic blocks.

Preferably, the fixed claw frame further comprises a lock catch, a lock pin and a puller bolt; a lock catch is integrally arranged on one side of the outer end of the claw frame shaft, and a sliding hole is formed in the middle of the lock catch; a lock pin is arranged in the sliding hole in a sliding manner, and one side of each lock pin is provided with a notch and matched with the shape of the sliding hole; the outer side of the lock catch is movably provided with a puller bolt through threaded connection.

Preferably, the clamping block further comprises a transmission column; a transmission column is uniformly arranged on the outer side of the clamping block in a integrated manner, and conical grooves are formed in the periphery of the transmission column; the transmission column can be elastically self-locked with the end part of the elastic block; the top of the transmission column is arranged in the lifting plate through a tapered roller bearing, and a chain gear is arranged on the outer side of the top end of the transmission column and is in motion connection with the stepping motor through chain transmission.

Preferably, the push rod further comprises a push disc; a push disc is fixedly arranged at the inner side end of the push rod through threaded connection, and the inner side of the outer end face of the push disc is provided with a conical structure; a cross bar is arranged on the outer side of the push rod; a round hole is formed in the middle of the push rod, and the push rod can be inserted into the push rod through the lock pin and fixedly connected with the push rod.

(III) advantageous effects

The invention provides an adjustable workpiece clamping device for forging and processing a large shaft in a forging workshop, which is provided with a clamping block and a transmission column, provides a function of rotating and adjusting an angle for the large shaft, provides a turning function for an adjusting device, is convenient and rapid to turn over the shaft, saves a lifting appliance, is high in safety, only needs a directional and simple structure to operate to complete propulsion, and is beneficial to adjustment and use of the clamping device.

Secondly, the setting of bullet piece provides supplementary counter point function for the transmission post, can provide 4 angle marks of convenient counterpoint in the rotatory in-process of transmission post, and the cooperation bullet piece carries out the auto-lock after the rotation of transmission post and fixes, can conveniently accomplish the angular adjustment to large-scale axle, and in the slow rotatory in-process of transmission post, when the bullet piece tip remove to the position that falls in the tapered groove can stop motor and rotate, utilizes the bounce-back completion of bullet piece to fix.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the embodiment of the present invention;

FIG. 3 is a schematic top view of an embodiment of the present invention;

FIG. 4 is a structural diagram illustrating a first operating state according to an embodiment of the present invention;

FIG. 5 is a structural diagram illustrating a second operating state according to an embodiment of the present invention;

FIG. 6 is a schematic sectional view of a claw holder according to an embodiment of the present invention;

FIG. 7 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. the device comprises a lower module, 2, a sliding bottom plate, 3, a main transmission body, 4, a top plate, 5, a lifting shaft frame, 6, a lifting module, 7, a speed reducing motor, 8, a fixed claw frame, 801, a claw frame shaft, 802, a sliding rail, 803, a lifting plate, 804, an L frame, 805, a stepping motor, 806, a supporting frame, 807, a hydraulic cylinder, 808, a ring frame, 809, an elastic block, 810, a lock catch, 811, a lock pin, 812, a jacking bolt, 9, a clamping block, 901, a transmission column, 10, a push rod, 1001 and a push disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: the adjustable workpiece clamping device for forging and processing the large shaft in the forging workshop comprises a lower module 1; the bottom of one side of the lower module 1 is fixedly provided with a sliding bottom plate 2 through a bolt; the top of the sliding bottom plate 2 is connected with a main transmission body 3 through a sliding rail and matched with a roller; the top of the main transmission body 3 is fixedly provided with a top plate 4 through a bolt; two groups of lifting modules 6 and two groups of guide rods are fixedly arranged between the main transmission body 3 and the top plate 4 through bolts, the two groups of lifting modules 6 are linked through a group of motors and matched chains, and a lifting shaft bracket 5 is movably arranged between sliding blocks of the lifting modules 6 and matched with the guide rods through bolts; the outer end of one side of the lifting shaft bracket 5 is flush with the side of the main transmission body 3 and is fixedly provided with a speed reducing motor 7 through a bolt; the inner side of the lifting shaft frame 5 is rotationally provided with a fixed claw frame 8 through shaft connection, and clamping blocks 9 are arranged in the fixed claw frame 8; the fixed claw frame 8 further comprises a claw frame shaft 801, a sliding rail 802 and a lifting plate 803; a claw frame shaft 801 is integrally arranged on one side of the fixed claw frame 8, and the claw frame shaft 801 is rotatably connected with the lifting shaft frame 5; a push rod 10 is rotatably arranged in the middle of the claw frame shaft 801; the inner part of the inner side of the fixed claw frame 8 is of an invagination structure, four groups of sliding rails 802 are fixedly arranged at two ends of the inner side of the fixed claw frame through bolts, and lifting plates 803 are fixedly arranged at the inner sides of the sliding rails through bolts; the fixed claw frame 8 further comprises an L frame 804, a stepping motor 805, a supporting frame 806 and a hydraulic cylinder 807; the top of one group of the lifting plates 803 is integrally provided with an L frame 804, and the top of the L frame 804 is provided with a stepping motor 805; a supporting frame 806 is rotatably arranged between the fixed claw frame 8 and the lifting plate 803 through a rotating shaft, hydraulic cylinders 807 are respectively arranged between an intermediate shaft of the supporting frame 806 and the fixed claw frame 8 through rotating shafts, and the two sets of hydraulic cylinders 807 move synchronously; wherein, the fixed claw frame 8 further comprises a ring frame 808 and a spring block 809; round holes are formed in the inner ends of the front sides of the fixed claw frames 8, and ring frames 808 are integrally arranged on the outer sides of the round holes; elastic blocks 809 are fixedly arranged on the inner sides of the ring frames 808, and the elastic blocks 809 are of telescopic structures and are internally provided with springs; the fixed claw frame 8 further comprises a lock catch 810, a lock pin 811 and a tightening bolt 812; a lock catch 810 is integrally arranged on one side of the outer end of the claw frame shaft 801, and a sliding hole is formed in the middle of the lock catch 810; a lock pin 811 is arranged in the sliding hole in a sliding manner, and one side of the lock pin 811 is provided with a notch and matched with the shape of the sliding hole; the outer side of the lock catch 810 is movably provided with a tightening bolt 812 through threaded connection.

Wherein, the clamping block 9 further comprises a transmission column 901; a transmission column 901 is uniformly arranged on the outer side of the clamping block 9, and cone-mouth grooves are formed in the periphery of the transmission column 901; the transmission column 901 can be elastically self-locked with the end part of the elastic block 809; the tops of the transmission columns 901 are all arranged in the lifting plate 803 through tapered roller bearings, and chain gears are arranged on the outer sides of the top ends of the transmission columns 901 and are in motion connection with the stepping motors 805 through chain transmission.

Wherein, the push rod 10 further comprises a push disk 1001; a push disc 1001 is fixedly arranged at the inner side end of the push rod 10 through threaded connection, and the inner side of the outer end face of the push disc 1001 is provided with a conical structure; a cross bar is arranged on the outer side of the push rod 10; the middle of the push rod 10 is provided with a round hole, and the push rod 10 can be inserted into the push rod 10 through a lock pin 811 to be fixedly connected.

The working principle is as follows: when the large-scale shaft forging device is used, the hydraulic cylinder 807 supports the opening support 806, the lifting plate 803 is pushed open by the aid of the opening support 806, the lifting plate 803 drives the clamping blocks 9 to open, a large-scale shaft is placed on the clamping blocks 9, the hydraulic cylinder 807 is retracted to move the lifting plate 803 inwards, the clamping blocks 9 clamp and fix the position of the large-scale shaft, the position of the main transmission body 3 is pushed, the large-scale shaft is pushed into the lower module 1, the stepping motor is started to drive the two groups of lifting modules 6 to lift the lifting shaft frame 5, and the large-scale shaft is fixed and forged when being adjusted to the position of the parallel attaching lower module 1, and due to the fact that electric devices are arranged at two ends of the lifting plate 803, the rotating angle of the fixing claw frame; after one end is forged, the position of the main transmission body 3 is pushed away, the transmission column 901 is driven to rotate at a slow speed by matching a stepping motor 805 with a chain, the angle of the transmission column 901 is fixed by matching with the auxiliary locking of an elastic block 809, after the transmission column 901 rotates 180 degrees, a lock pin 811 is pulled out to push a large shaft to move by using a push rod 10 and a push disc 1001, meanwhile, a hydraulic cylinder 807 is started slightly to loosen the large shaft to ensure that the large shaft can move linearly enough, the large shaft is pushed to a proper position to complete workpiece clamping, and then the transmission column 901 rotates 180 degrees by using the stepping motor 805 to perform forging processing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.