A two-axis traction machine head structure

Abstract

The present invention relates to a two-axis traction head structure, which includes a walking plate, a rotating shaft is vertically arranged at the front of the walking plate, a rotating plate is arranged on the rotating shaft, a protective cover is arranged at the rear side of the rotating shaft, an upper rotating frame and a lower rotating frame are arranged in the protective cover, a rotating seat is arranged between the upper rotating frame and the lower rotating frame, a ball screw and a first motor are arranged on the left and right sides of the rotating seat respectively, the ball screw is driven by the first motor, a screw nut is arranged on the ball screw, a screw nut connector is arranged on the screw nut, and the screw nut connector is connected to the rotating plate through a connecting plate. The clamping and rotation of the present invention are controlled separately by two sets of mechanisms, which can accurately control the two actions of clamping and rotation, and greatly reduce the processing accuracy requirements of each component, reduce the production cost, effectively ensure the smooth progress of production, and extend the service life of the equipment.

Description

Technical Field

[0001] The invention relates to a two-axis traction machine head structure, in particular to a two-axis traction machine head structure of a three-head traction machine, and belongs to the technical field of aluminum profile production equipment. Background Art

[0002] In the extrusion production process of aluminum alloy profiles, the profile must be interrupted after each aluminum rod is extruded in order to facilitate the subsequent processes such as transmission and straightening. In addition, traction assistance is very important in the extrusion process, especially for the currently popular multi-hole die extrusion and some profiles that are difficult to extrude. Good and effective traction assistance can not only ensure the discharge of the profile, but also improve production efficiency and yield rate.

[0003] Traditional traction machines are mostly single-head traction machines. When traction reaches a certain position, the single-head traction machine puts down the profile, then returns to the starting point of traction and repeats the work. This single traction method is very inefficient. There are also double-head traction machines in the existing technology. Their working form is: the previous traction device pulls the profile over, and at a certain place, the pulled profile is handed over to another traction device for continued traction, and the previous traction device returns to complete the relay of the profile. Although this method can achieve uninterrupted traction, the traction machine will collide with the traction machine during the relay process, and the traction machine will pause when the profile is handed over, causing the profile to bend in the axial direction. At the same time, scratches are easily caused on the surface of the profile, affecting the quality of the profile.

[0004] The three-head traction machine currently on the market usually includes a frame, an upper track and a lower track are arranged on the frame, and an upper traction head and a lower traction head are arranged on the upper track and the lower track respectively, and the upper traction head and the lower traction head can alternately perform traction operations, so that the production of profiles is uninterrupted, continuous operation is guaranteed, and production efficiency is improved, which well solves the above technical problems. However, in order to enable the upper traction head and the lower traction head to smoothly alternate their working positions, the existing three-head traction machine usually needs to add a transverse movement mechanism or a lifting mechanism to the traction head, and through the transverse movement mechanism or the lifting mechanism, one of the traction heads makes room for the other traction head, so as to smoothly complete the alternation of working positions, which makes the structure of the whole set of mechanisms complicated and greatly increases the production cost.

[0005] The invention patent with application number 201910710981.1 discloses a three-head traction machine traction head structure, which includes a frame, a support shaft is fixedly arranged on the frame, an intermediate support plate and a gear are mounted on the support shaft, the gear is located above the intermediate support plate, the intermediate support plate is rotatably connected to the support shaft, and the gear is fixedly connected to the support shaft; a frame is arranged on the intermediate support plate, a worm gear second motor is arranged on the frame, the worm gear second motor includes an outer output end and an inner output end, a tooth claw assembly is arranged on the outer side of the frame, the outer output end is connected to the tooth claw assembly through a connecting rod mechanism, a fork assembly is arranged on the inner output end, a rack that can be translated left and right is arranged on the intermediate support plate, the rack is located between the frame and the gear, a card plate is arranged on the top of the rack, the rack cooperates with the gear, and the card plate cooperates with the fork assembly. The above-mentioned traction head structure can realize the rotation of the entire traction head through the power of the clamping mechanism, thereby making room for another traction head when alternating working positions, eliminating the existing transverse movement mechanism or lifting mechanism, simplifying the overall structure, and reducing the manufacturing cost. However, the above-mentioned structure has very high requirements for the dimensional accuracy of the fork assembly, the clamping plate, the gear and the rack. When the processing accuracy of the above-mentioned components is not enough or a certain amount of wear occurs during use, the components cannot be accurately matched, resulting in the power of the clamping structure being unable to accurately and smoothly complete the rotation of the traction head. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a two-axis traction head structure for the above-mentioned prior art, wherein the clamping and rotation are controlled separately by two sets of mechanisms, which can accurately control the two actions of clamping and rotation, and greatly reduce the processing accuracy requirements of each component, reduce the production cost, effectively ensure the smooth progress of production, and extend the service life of the equipment.

[0007] The technical solution adopted by the present invention to solve the above-mentioned problem is: a two-axis traction machine head structure, which includes a walking plate, a rotating shaft is vertically arranged at the front of the walking plate, a rotating plate is arranged on the rotating shaft, a protective cover is arranged on the rear side of the rotating shaft, an upper rotating frame and a lower rotating frame are arranged in the protective cover, a rotating seat is arranged between the upper rotating frame and the lower rotating frame, a ball screw and a first motor are respectively arranged on the left and right sides of the rotating seat, the ball screw is driven by the first motor, a screw nut is arranged on the ball screw, a screw nut connecting piece is arranged on the screw nut, and the screw nut connecting piece is connected to the rotating plate through a connecting plate.

[0008] Optionally, a slide groove is arranged in the transverse direction on the front side of the protective cover, and the connecting plate is arranged in the slide groove.

[0009] Optionally, a main frame is provided on the rotating plate, a claw shaft is transversely installed on the main frame, a claw assembly is provided on the claw shaft, and a clamp is provided below the claw assembly.

[0010] Optionally, the rotating seat includes a rotating seat body, and an upper pin shaft and a lower pin shaft are respectively provided on the upper and lower sides of the rotating seat body, and the upper pin shaft and the lower pin shaft are respectively inserted into the upper rotating frame and the lower rotating frame.

[0011] Optionally, the screw nut connector includes an upper connecting frame and a lower connecting frame, and an upper supporting column and a lower supporting column are provided on the screw nut, and the upper supporting column and the lower supporting column are respectively inserted into the upper connecting frame and the lower connecting frame.

[0012] Optionally, the connecting plate is connected to an upper connecting frame and a lower connecting frame.

[0013] Optionally, a first stop rod is provided between the protective cover and the rotating plate.

[0014] Optionally, the protective cover is provided with a proximity switch on one side of the outer end of the ball screw.

[0015] Optionally, the tooth claw assembly includes two left and right connecting seats, a plurality of tooth claws are arranged between the left and right connecting seats, a spacer is arranged between two adjacent tooth claws, and a tooth plate pressure block is arranged between the tops of the left and right connecting seats.

[0016] Optionally, a second motor is disposed on the main frame, a first bevel gear is disposed at an output end of the second motor, a second bevel gear is disposed on the tooth claw shaft, and the first bevel gear matches the second bevel gear.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] The present invention provides a two-axis traction machine head structure, wherein clamping and rotation are controlled separately by two sets of mechanisms, and the two actions of clamping and rotation can be accurately controlled, and the machining accuracy requirements of each component are greatly reduced, the manufacturing cost is reduced, the smooth progress of production is effectively guaranteed, and the service life of the equipment is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of a two-axis traction machine head structure of the present invention.

[0020] Figure 2 This is a three-dimensional schematic diagram of a two-axis traction machine head structure of the present invention from another perspective.

[0021] Figure 3 for Figure 1 main view.

[0022] Figure 4 for Figure 3 Side view of.

[0023] Figure 5 for Figure 4 AA section view.

[0024] Figure 6 for Figure 3 Top view of the .

[0025] Figure 7 for Figure 6 BB cross-sectional view.

[0026] Figure 8 for Figure 6 CC cross-sectional view.

[0027] in:

[0028] Walking board 1

[0029] Rotation axis 2

[0030] Rotating plate 3

[0031] Main frame 4

[0032] Claw shaft 5

[0033] Tooth claw assembly 6

[0034] Connector 6.1

[0035] Tooth Claw 6.2

[0036] Spacer 6.3

[0037] Tooth plate block 6.4

[0038] Clamp 7

[0039] Protective cover 8

[0040] Upper rotating frame 9

[0041] Lower rotating frame 10

[0042] Rotating seat 11

[0043] Transposable body 11.1

[0044] Upper pin 11.2

[0045] Lower pin 11.3

[0046] Ball screw 12

[0047] The first motor 13

[0048] Coupling 14

[0049] Screw nut 15

[0050] Screw nut connector 16

[0051] Upper connecting frame 16.1

[0052] Lower connecting frame 16.2

[0053] Upper support column 16.3

[0054] Lower support column 16.4

[0055] Chute 17

[0056] Connecting plate 18

[0057] Copper sleeve 19

[0058] Bearing 20

[0059] First gear lever 21

[0060] Proximity switch 22

[0061] Second gear lever 23

[0062] Second motor 24

[0063] First bevel gear 25

[0064] Second bevel gear 26

[0065] Roller assembly 27

[0066] Travel axis 27.1

[0067] Eccentric shaft 27.2

[0068] Travel roller 27.3

[0069] Wire rope connection assembly 28. DETAILED DESCRIPTION

[0070] The present invention is further described in detail below with reference to the accompanying drawings.

[0071] like Figures 1 to 8As shown, a two-axis traction head structure in this embodiment includes a walking plate 1, a rotating shaft 2 is vertically arranged at the front of the walking plate 1, a rotating plate 3 is arranged on the rotating shaft 2, a main frame 4 is arranged on the rotating plate 3, a tooth claw shaft 5 is horizontally installed on the main frame 4, a tooth claw assembly 6 is arranged on the tooth claw shaft 5, and a clamp 7 is arranged below the tooth claw assembly 6; a protective cover 8 is arranged on the rear side of the rotating shaft 2, an upper rotating frame 9 and a lower rotating frame 10 are arranged in the protective cover 8, and the upper rotating frame 9 and the lower rotating frame 10 are arranged on the upper rotating frame 9 and the lower rotating frame 10. A rotating seat 11 is arranged between the frames 10, and a ball screw 12 and a first motor 13 are arranged on the left and right sides of the rotating seat 11 respectively, and the output end of the first motor 13 is connected to the ball screw 12 through a coupling 14, and a screw nut 15 is arranged on the ball screw 12, and a screw nut connector 16 is arranged on the screw nut 15, and a slide groove 17 is arranged in the horizontal direction on the front side of the protective cover 8, and a connecting plate 18 is arranged in the slide groove 17, and the screw nut connector 16 is connected to the rotating plate 3 through the connecting plate 18;

[0072] The upper rotating frame 9 is fixedly arranged on the protective cover 8, and the lower rotating frame 10 is fixedly arranged on the walking board 1;

[0073] The rotating seat 11 comprises a rotating seat body 11.1, and an upper pin shaft 11.2 and a lower pin shaft 11.3 are respectively arranged on the upper and lower sides of the rotating seat body 11.1, and the upper pin shaft 11.2 and the lower pin shaft 11.3 are respectively inserted into the upper rotating frame 9 and the lower rotating frame 10;

[0074] Copper sleeves 19 are provided between the upper pin shaft 11.2 and the upper rotating frame 9 and between the lower pin shaft 11.3 and the lower rotating frame 10;

[0075] The screw nut connector 16 includes an upper connecting frame 16.1 and a lower connecting frame 16.2. The screw nut 15 is provided with an upper supporting column 16.3 and a lower supporting column 16.4. The upper supporting column 16.3 and the lower supporting column 16.4 are respectively inserted into the upper connecting frame 16.1 and the lower connecting frame 16.2;

[0076] The connecting plate 18 is connected to the upper connecting frame 16.1 and the lower connecting frame 16.2;

[0077] Bearings 20 are provided between the upper support column 16.3 and the upper connecting frame 16.1 and between the lower support column 16.4 and the lower connecting frame 16.2;

[0078] A first stopper 21 is provided between the protective cover 8 and the rotating plate 3;

[0079] The protective cover 8 is provided with a proximity switch 22 at one side of the outer end of the ball screw 12;

[0080] The tooth claw assembly 6 comprises two left and right connecting seats 6.1, a plurality of tooth claws 6.2 are arranged between the left and right connecting seats 6.1, a spacer 6.3 is arranged between two adjacent tooth claws 6.2, and a tooth plate pressing block 6.4 is arranged between the tops of the left and right connecting seats 6.1;

[0081] A second gear lever 23 is provided on the upper side of the tooth claw assembly 6;

[0082] The main frame 4 is provided with a second motor 24, an output end of the second motor 24 is provided with a first bevel gear 25, the tooth claw shaft 5 is provided with a second bevel gear 26, and the first bevel gear 25 matches with the second bevel gear 26;

[0083] The bottom of the walking board 1 is provided with two groups of left and right roller assemblies 27;

[0084] The roller assembly 27 comprises a travel shaft 27.1 and an eccentric shaft 27.2 arranged front and rear, and travel rollers 27.3 are arranged on the travel shaft 27.1 and the eccentric shaft 27.2;

[0085] Two left and right steel wire rope connection assemblies 28 are also provided at the bottom of the walking board 1 .

[0086] Working principle:

[0087] A roller assembly is provided at the bottom of the walking plate, and the walking plate can move forward and backward on the three-head traction machine track through the roller assembly; a rotating plate is provided on the walking plate, and a first motor and a ball screw are provided on the rotating seat, the first motor drives the ball screw to rotate, and the ball screw drives the screw nut to move left and right, and the rotating seat and the screw nut connecting piece can rotate synchronously when the nut moves left and right, so as to meet the outward rotation or inward retraction of the rotating plate, thereby making room for the alternating positions of the upper traction head and the lower traction head; a main frame is provided on the rotating plate, and a claw shaft is provided on the main frame, and a claw assembly is provided on the claw shaft, and a traction clamping opening is formed between the claw assembly and the clamp below, and the claw assembly can be lifted upward or pressed downward under the drive of the second motor, thereby clamping the profile.

[0088] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A two-axis traction head structure, characterized in that: It comprises a walking board (1), wherein a rotating shaft (2) is vertically arranged at the front of the walking board (1), a rotating board (3) is arranged on the rotating shaft (2), a protective cover (8) is arranged at the rear side of the rotating shaft (2), an upper rotating frame (9) and a lower rotating frame (10) are arranged inside the protective cover (8), a rotating seat (11) is arranged between the upper rotating frame (9) and the lower rotating frame (10), a ball screw (12) and a first motor (13) are arranged on the left and right sides of the rotating seat (11), the ball screw (12) is driven by the first motor (13), a screw nut (15) is arranged on the ball screw (12), a screw nut connecting piece (16) is arranged on the screw nut (15), and the screw nut connecting piece (16) and the rotating board (3) are connected via a connecting plate (18); The rotating seat (11) comprises a rotating seat body (11.1), and an upper pin shaft (11.2) and a lower pin shaft (11.3) are respectively arranged on the upper and lower sides of the rotating seat body (11.1), and the upper pin shaft (11.2) and the lower pin shaft (11.3) are respectively inserted into the upper rotating frame (9) and the lower rotating frame (10); The screw nut connector (16) comprises an upper connecting frame (16.1) and a lower connecting frame (16.2); an upper supporting column (16.3) and a lower supporting column (16.4) are provided on the screw nut (15); the upper supporting column (16.3) and the lower supporting column (16.4) are respectively inserted into the upper connecting frame (16.1) and the lower connecting frame (16.2); A main frame (4) is arranged on the rotating plate (3), a tooth claw shaft (5) is transversely mounted on the main frame (4), a tooth claw assembly (6) is arranged on the tooth claw shaft (5), and a clamp (7) is arranged below the tooth claw assembly (6); The tooth claw assembly (6) comprises two left and right connecting seats (6.1), a plurality of tooth claws (6.2) are arranged between the left and right connecting seats (6.1), a spacer (6.3) is arranged between two adjacent tooth claws (6.2), and a tooth plate pressing block (6.4) is arranged between the tops of the left and right connecting seats (6.1); A second motor (24) is disposed on the main frame (4), a first bevel gear (25) is disposed at an output end of the second motor (24), a second bevel gear (26) is disposed on the tooth claw shaft (5), and the first bevel gear (25) matches the second bevel gear (26).

2. A two-axis traction head structure according to claim 1, characterized in that: A slide groove (17) is arranged in the transverse direction on the front side of the protective cover (8), and the connecting plate (18) is arranged in the slide groove (17).

3. A two-axis traction head structure according to claim 1, characterized in that: The connecting plate (18) is connected to the upper connecting frame (16.1) and the lower connecting frame (16.2).

4. The two-axis traction head structure according to claim 1 is characterized in that: A first blocking rod (21) is provided between the protective cover (8) and the rotating plate (3).

5. The two-axis traction head structure according to claim 1 is characterized in that: The protective cover (8) is provided with a proximity switch (22) on one side of the outer end of the ball screw (12).

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