CN109759828B

CN109759828B - Multi-station servo torsion machine for spindle assembly

Info

Publication number: CN109759828B
Application number: CN201910175062.9A
Authority: CN
Inventors: 朱武传
Original assignee: Zhejiang Yajia Cotton Picker Parts Co ltd
Current assignee: Zhejiang Yajia Cotton Picker Parts Co ltd
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2020-12-11
Anticipated expiration: 2039-03-08
Also published as: CN109759828A

Abstract

The invention relates to the field of cotton picker processing equipment, and discloses a multi-station servo torque machine for a spindle assembly, which comprises a rack, a workbench, a driving mechanism arranged between the rack and the workbench, a clamping mechanism arranged on the workbench and used for clamping the spindle assembly, a plurality of bolt tightening machines arranged at the top of the rack and positioned above the clamping mechanism at equal intervals along the moving direction of the workbench, and a tightening sleeve sleeved on a hexagon nut end of a spindle and used for realizing linkage after the bolt tightening machines are buckled. The invention has the following advantages and effects: firstly, clamping an upright ingot picking rod by a clamping mechanism; then the tightening sleeve is sleeved on the hexagonal nut end of the spindle; then, spindles are screwed up through the plurality of bolt tightening machines by driving the tightening sleeves, then the driving assembly drives the workbench to move, so that adjacent spindles are located right below the bolt tightening machines, and the adjacent spindles are screwed up through the bolt tightening machines; finally, the installation efficiency of the spindle can be improved.

Description

Multi-station servo torsion machine for spindle assembly

Technical Field

The invention relates to the field of cotton picker processing equipment, in particular to a multi-station servo torsion machine for a spindle assembly.

Background

Cotton is a main economic crop in Xinjiang area in China, along with the development of science and technology, agricultural production tends to be mechanized gradually, and cotton pickers gradually replace manual cotton picking.

Chinese patent application publication No. CN101711492A, application publication date 5/26/2010, discloses a cotton picker spindle assembly, comprising: a vertical spindle bar supporting a plurality of vertically spaced spindles, the spindles having spindle ends and gear ends, the spindle ends adapted to engage financial cotton plants to remove cotton therefrom, each spindle being rotatable about a spindle axis; a drive shaft rotating about a drive shaft axis and in driving relationship with the gear end.

In the spindle assembly of the cotton picker, the spindle is in threaded connection with the upright spindle rod, the periphery of the lower end of the spindle is provided with a hexagonal nut end, and the spindle is in threaded connection with the upright spindle rod by screwing the hexagonal nut end; however, the installation efficiency of the spindles is low due to the fact that the number of the spindles is large.

Disclosure of Invention

The invention aims to provide a multi-station servo torsion machine for a spindle assembly, which has the effect of improving the spindle installation efficiency.

The technical purpose of the invention is realized by the following technical scheme: a multi-station servo torque machine for spindle assemblies comprises a rack, a workbench arranged in the middle of the rack, a driving mechanism arranged between the rack and the workbench and used for driving the workbench to horizontally move, a clamping mechanism arranged on the workbench and used for clamping the spindle assemblies, a plurality of bolt tightening machines arranged at the top of the rack along the moving direction of the workbench at equal intervals and positioned above the clamping mechanism, and tightening sleeves sleeved on hexagonal nut ends of the spindles and used for realizing linkage after the bolt tightening machines are buckled; the clamping mechanism comprises two clamping seats, clamping blocks, a width adjusting piece and a limiting assembly, wherein the two clamping seats are arranged at the two ends of the workbench and are respectively used for vertically picking the two ends of the spindle rod to be embedded, the clamping blocks are arranged in the clamping seats and form clamping openings with the inner wall of one side of each clamping seat, the width adjusting piece is used for driving the clamping blocks to move so as to adjust the width of the clamping openings, the limiting assembly is arranged on any one clamping seat and is used for limiting the installation position of the vertically picking spindle rod by abutting against the end face of the vertically picking spindle rod, and a plurality of equispaced picking spindles are respectively arranged under the bolt tightening machine.

The invention is further provided with: the bolt tightening machine is provided with three, the two ends of the top of the rack are slidably provided with sliding seats used for respectively mounting the bolt tightening machine at the two ends, an adjusting component used for driving the two sliding seats to be relatively close to or far away from each other is arranged between every two adjacent racks and the sliding seats, and the distance from the bolt tightening machine mounted on the two sliding seats to the bolt tightening machine in the middle is equal.

The invention is further provided with: the adjusting assembly comprises an adjusting rod and a hand wheel, wherein the two ends of the adjusting rod are rotatably connected to the two ends of the top of the rack, one end of the adjusting rod protrudes out of the rack, the hand wheel is arranged at one end, protruding out of the rack, of the adjusting rod, the two ends of the adjusting rod are provided with threaded ends with opposite thread directions, and the two sliding seats are respectively in threaded connection with the two threaded ends.

The invention is further provided with: the width adjusting piece is an adjusting cylinder which is arranged on the clamping seat and a piston rod of which is fixed with the clamping block.

The invention is further provided with: the limiting assembly comprises a limiting screw rod arranged on the sliding seat and extending along the length direction of the upright spindle picking rod, a limiting nut in threaded connection with the limiting screw rod, and a limiting strip in threaded connection with the limiting screw rod and used for abutting against the end face of the upright spindle picking rod, and the end face of the limiting strip, which is close to the upright spindle picking rod, abuts against the limiting nut.

The invention is further provided with: the ingot picking device is characterized in that a lifting mechanism which is located between the two clamping seats and used for upwards lifting and vertically picking the ingot rod is arranged on the workbench, and the lifting mechanism comprises a lifting frame for embedding and placing the middle part of the vertically picking ingot rod and a lifting cylinder arranged between the lifting frame and the workbench.

The invention is further provided with: the utility model discloses a spacing subassembly of lifting, including the workstation, be provided with the uide bushing that the one end slope of a plurality of upper ends orientation keeping away from spacing subassembly upwards extends on the workstation, it is provided with a plurality of guiding axles of embedding respectively in the uide bushing to lift the frame below, it is slope setting and extending direction and the extending direction of uide bushing parallel to lift the cylinder.

The invention is further provided with: workstation sliding connection is in the frame, actuating mechanism includes both ends and rotates the drive screw who connects in the frame and with workstation threaded connection, set up in the frame and with the servo motor of drive screw linkage.

The invention is further provided with: and a storage groove for storing the tightening sleeve is arranged on one side of the middle part of the rack.

In conclusion, the invention has the following beneficial effects:

1. firstly, a loose spindle is screwed on an upright spindle picking rod in advance, then the upright spindle picking rod is placed in a clamping seat, the mounting position of the upright spindle picking rod is limited through a limiting assembly, so that the leftmost spindle is positioned right below a bolt tightening machine, and the upright spindle picking rod is clamped between the clamping seat and a clamping block by driving the clamping block to move through a width adjusting piece; then the tightening sleeve is sleeved on the hexagonal nut end of the spindle; then, spindles are screwed up through the plurality of bolt tightening machines by driving the tightening sleeves, then the driving assembly drives the workbench to move, so that adjacent spindles are located right below the bolt tightening machines, and the adjacent spindles are screwed up through the bolt tightening machines; the installation efficiency of the spindles can be improved finally;

2. the plurality of bolt tightening machines can simultaneously tighten a plurality of adjacent spindles when the spindles are required to be tightened by the plurality of bolt tightening machines and the work bench drives the spindles to operate, and at the moment, if the spindle intervals of different types are different, the positions of the two sliding seats can be changed by the adjusting assembly, so that the initial positions of the bolt tightening machines are adjusted, and the three-Ge bolt tightening machines are respectively positioned right above the three spindles;

3. the clamping block is driven to move by the adjusting cylinder, so that the vertical ingot picking rod can be clamped between the clamping seat and the clamping block;

4. the limiting strip is in threaded connection with the limiting screw rod, so that the position of the limiting strip can be adjusted, when the limiting strip is determined for the position limited by the upright spindle picking rod, the limiting nut is screwed down on the limiting strip by rotating the limiting nut, and at the moment, the limiting strip is not easy to rotate below the limiting screw rod due to the action of gravity due to the friction between the limiting nut and the limiting strip, so that the situation that the limiting bolt is separated from the upright spindle picking rod after rotating by an angle under the action of gravity is avoided;

5. when the spindle is screwed on the vertical spindle picking rod through the bolt screwing machine, the clamping block is driven to move through the adjusting cylinder and then is separated from the vertical spindle picking rod, and then the lifting frame is driven to move upwards through the lifting cylinder, so that the vertical spindle picking rod is separated from the clamping seat and then is convenient to take; meanwhile, because the bracket air cylinder is obliquely arranged, the lifting frame moves upwards and moves towards one end far away from the limiting assembly at the same time, so that the limiting strip does not need to be unscrewed, and the position of the limiting strip is prevented from being re-determined in subsequent processing;

6. a storage slot in the frame facilitates storage of a tightening sleeve removed from a spindle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 1 at B.

Reference numerals: 1. a frame; 11. a sliding seat; 12. an adjustment assembly; 121. adjusting a rod; 1211. a threaded end; 122. a hand wheel; 13. a storage tank; 2. a work table; 21. a guide sleeve; 3. a drive mechanism; 31. a drive screw; 32. a servo motor; 4. a clamping mechanism; 41. a clamping seat; 42. a clamping block; 43. a width adjustment member; 431. an adjusting cylinder; 44. a limiting component; 441. a limit screw; 442. a limit nut; 443. a limiting strip; 5. a bolt tightening machine; 6. screwing the sleeve; 7. a lifting mechanism; 71. a lifting frame; 711. a guide shaft; 72. a lifting cylinder; a. vertically picking a spindle rod; b. picking ingots; c. a hex nut end.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a multi-station servo torque machine for spindle assemblies is shown in figure 1 and comprises a machine frame 1, a workbench 2 arranged in the middle of the machine frame 1, a driving mechanism 3 arranged between the machine frame 1 and the workbench 2 and used for driving the workbench 2 to horizontally move, a clamping mechanism 4 arranged on the workbench 2 and used for clamping spindle assemblies, three bolt tightening machines 5 arranged at the top of the machine frame 1 and located above the clamping mechanism 4 along the moving direction of the workbench 2 at equal intervals, and a tightening sleeve 6 sleeved on a hexagonal nut end c of a spindle b (a tooth groove on the spindle b is not shown in the figure) and used for realizing linkage after the bolt tightening machines 5 are buckled.

As shown in fig. 1, a storage groove 13 for storing the tightening socket 6 is formed on the side of the frame 1 near the worker.

As shown in fig. 1, sliding seats 11 for fixing the bolt tightening machines 5 at two ends are slidably disposed at two ends of the top of the machine frame 1, and an adjusting assembly 12 for driving the two sliding seats 11 to relatively move closer or farther is disposed between two adjacent machine frames 1 and the sliding seats 11. The adjusting assembly 12 includes an adjusting rod 121 having two ends rotatably connected to two ends of the top of the frame 1 through bearings and one end protruding out of the frame 1, and a hand wheel 122 fixedly disposed at one end of the adjusting rod 121 protruding out of the frame 1, wherein two ends of the adjusting rod 121 have threaded ends 1211 with opposite thread directions, and the two sliding seats 11 are respectively in threaded connection with the two threaded ends 1211.

As shown in fig. 1, the worktable 2 is slidably connected to a slide rail (not shown) of the frame 1, and the driving mechanism 3 includes a driving screw 31 having two ends rotatably connected to the frame 1 through bearings and threadedly connected to the worktable 2, and a servo motor 32 fixedly mounted on the frame 1 and linked with the driving screw 31.

As shown in fig. 1 and 2, the clamping mechanism 4 includes two clamping seats 41 fixedly installed at both ends of the worktable 2 and respectively used for inserting both ends of the upright spindle picking bar a, a clamping block 42 disposed in the clamping seat and forming a clamping opening with an inner wall of one side of the clamping seat 41, a width adjusting member 43 for driving the clamping block 42 to move to adjust the width of the clamping opening, and a position limiting assembly 44 disposed on any one of the clamping seats 41 and realizing the limitation of the installation position of the upright spindle picking bar a by abutting against the end surface of the upright spindle picking bar a.

As shown in fig. 1 and 2, the width adjusting member 43 is an adjusting cylinder 431 fixedly mounted on the clamping base 41, and the piston rod is fixedly connected to the clamping block 42. The limiting assembly 44 comprises a limiting screw 441 welded on the sliding seat 11 and extending along the length direction of the upright spindle picking rod a, a limiting nut 442 in threaded connection with the limiting screw 441, and a limiting strip 443 in threaded connection with the limiting screw 441 and used for abutting against the end surface of the upright spindle picking rod a, wherein the limiting strip 443 abuts against the limiting nut 442 close to the end surface of the upright spindle picking rod a.

As shown in fig. 1 to 3, a lift mechanism 7 for lifting the upright spindle picker bar a upward is also provided on the table 2 between the two holders 41. The lifting mechanism 7 comprises a lifting frame 71 for the middle part of the upright ingot picking rod a to be embedded and placed, and a lifting cylinder 72 fixedly arranged between the lifting frame 71 and the workbench 2. The workbench 2 is fixedly provided with a plurality of guide sleeves 21 with upper ends extending upwards in an inclined manner towards one end far away from the limiting assembly 44, a plurality of guide shafts 711 respectively embedded in the guide sleeves 21 are integrally arranged below the lifting frame 71, and the lifting cylinder 72 is arranged in an inclined manner and the extending direction of the lifting cylinder is parallel to the extending direction of the guide sleeves 21.

The implementation steps are as follows: (1) when being directed at a spindle assembly of a certain model, the spacing between the three bolt tightening machines 5 is adjusted through the adjusting component 12, and the spacing is as follows: dividing the number of the spindles b by 3 to obtain a value, taking the value if the value is an integer, taking the integer part of the value if the value is decimal, adding 1 to the integer part, and multiplying the obtained value by the distance between the adjacent spindles b to obtain the product. When adjusting the distance between the three bolt tightening machines 5, the adjusting lever 121 is rotated by rotating the handwheel 122, and then the two bolt tightening machines 5 located at both ends are driven to relatively approach or relatively separate from each other, and the positions of the bolt tightening machines 5 are determined in accordance with the measurement of the measuring scale. (2) Adjusting the position of the stopper bar 443 on the stopper screw 441 so that the leftmost spindle b is positioned right under the leftmost bolt tightening machine 5 when the end surface of one end of the upright spindle bar a abuts against the stopper bar 443; then, the stopper bolt is rotated to make the stopper bolt abut against the stopper 443 to prevent the stopper 443 from rotating under the action of gravity. (3) The spindle clamping assembly is characterized in that loose spindles b are screwed on an upright spindle picking rod a, then two ends of the upright spindle picking rod a are embedded into two clamping seats 41 respectively, one end of the upright spindle picking rod a is abutted against a limiting strip 443, and the upright spindle picking rod a is clamped between the clamping seats 41 and the clamping blocks 42 after the clamping blocks 42 are driven to move by a width adjusting piece 43. (4) The tightening sockets 6 are fitted over the hexagon nut ends c of the spindles b, and then the three tightening sockets 6 are simultaneously rotated by the three bolt tightening machines 5 while being operated so that the spindles b are tightened on the upright spindle bars a. (5) The driving mechanism 3 drives the worktable 2 to move leftwards by the length of the space between adjacent spindles b, then three bolt tightening machines 5 tighten the adjacent three spindles on the upright spindle picking rod a, and all spindles b are tightened on the upright spindle picking rod a after multiple operations. (6) The width adjusting part 43 drives the clamping block 42 to be far away from the upright spindle picking rod a, the lifting cylinder 72 drives the lifting frame 71 to tilt upwards to enable the upright spindle picking rod a to be gradually separated from the clamping seat 41, and therefore taking is convenient, and friction cannot be generated between the end face of the upright spindle picking rod a and the limiting strip 443. (7) And (5) repeating the steps (3) to (6) to realize the installation of a plurality of spindle assemblies with the same type.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A multistation servo torque machine for spindle assembly which characterized in that: the device comprises a rack (1), a workbench (2) arranged in the middle of the rack (1), a driving mechanism (3) arranged between the rack (1) and the workbench (2) and used for driving the workbench (2) to move horizontally, a clamping mechanism (4) arranged on the workbench (2) and used for clamping a spindle assembly, a plurality of bolt tightening machines (5) arranged at the top of the rack (1) along the moving direction of the workbench (2) at equal intervals and positioned above the clamping mechanism (4), and a tightening sleeve (6) sleeved on a hexagonal nut end (c) of a spindle (b) and used for realizing linkage after the bolt tightening machines (5) are buckled; the clamping mechanism (4) comprises two clamping seats (41) which are arranged at two ends of the workbench (2) and are respectively used for embedding two ends of the upright spindle picking rod (a), clamping blocks (42) which are arranged in the clamping seats and form clamping openings with the inner wall of one side of each clamping seat (41), a width adjusting piece (43) which is used for driving the clamping blocks (42) to move so as to adjust the width of each clamping opening, a limiting assembly (44) which is arranged on any one clamping seat (41) and is used for limiting the installation position of the upright spindle picking rod (a) by abutting against the end face of the upright spindle picking rod (a), and a plurality of spindles (b) which are equally spaced are respectively positioned under the bolt tightening machines (5); the limiting assembly (44) comprises a limiting screw rod (441) which is arranged on the sliding seat (11) and extends along the length direction of the upright spindle picking rod (a), a limiting nut (442) which is in threaded connection with the limiting screw rod (441), and a limiting strip (443) which is in threaded connection with the limiting screw rod (441) and is used for abutting against the end face of the upright spindle picking rod (a), wherein the end face of the limiting strip (443), which is close to the upright spindle picking rod (a), abuts against the limiting nut (442); the workbench (2) is provided with a lifting mechanism (7) which is positioned between the two clamping seats (41) and used for lifting the upright ingot picking rod (a) upwards, and the lifting mechanism (7) comprises a lifting frame (71) for embedding and placing the middle part of the upright ingot picking rod (a) and a lifting cylinder (72) arranged between the lifting frame (71) and the workbench (2); be provided with uide bushing (21) that the one end slope of a plurality of upper ends orientation keeping away from spacing subassembly (44) upwards extends on workstation (2), it is provided with a plurality of guiding axles (711) of embedding respectively in uide bushing (21) to lift frame (71) below, it is that the slope sets up and extending direction parallels with the extending direction of uide bushing (21) to lift cylinder (72).

2. A multi-station servo torque machine for a spindle assembly according to claim 1, wherein: the bolt tightening machine (5) is provided with three, the both ends at frame (1) top slide and are provided with the seat (11) that slides that are used for supplying the bolt tightening machine (5) installation at both ends respectively, adjacent two be provided with between frame (1) and the seat (11) that slides and be used for driving about two seat (11) that slide and be close to relatively or keep away from adjusting part (12), install two bolt tightening machine (5) on the seat (11) that slides are to the bolt tightening machine (5) that are located the middle part apart from equal.

3. A multi-station servo torque machine for a spindle assembly according to claim 2, wherein: the adjusting assembly (12) comprises an adjusting rod (121) with two ends rotatably connected to two ends of the top of the rack (1) and one end protruding out of the rack (1), and a hand wheel (122) arranged on one end, protruding out of the rack (1), of the adjusting rod (121), wherein two ends of the adjusting rod (121) are provided with threaded ends (1211) with opposite thread directions, and the two sliding seats (11) are respectively in threaded connection with the two threaded ends (1211).

4. A multi-station servo torque machine for a spindle assembly according to claim 1, wherein: the width adjusting piece (43) is an adjusting cylinder (431) which is arranged on the clamping seat (41) and the piston rod of which is fixed with the clamping block (42).

5. A multi-station servo torque machine for a spindle assembly according to claim 1, wherein: workstation (2) sliding connection is in frame (1), actuating mechanism (3) include both ends rotate connect in frame (1) and with workstation (2) threaded connection drive screw (31), set up in frame (1) and with servo motor (32) of drive screw (31) linkage.

6. A multi-station servo torque machine for a spindle assembly according to claim 1, wherein: one side in the middle of the frame (1) is provided with a storage groove (13) for storing the tightening sleeve (6).