Combined cross wedge rolling mill feeding groove frame

Abstract

The utility model belongs to the technical field of cross wedge rolling mills, and particularly relates to a combined cross wedge rolling mill feeding groove frame which comprises a first fixing support mechanism, a second fixing support mechanism and a transmission screw rod mechanism, and the first fixing support mechanism comprises a first support base plate, a second support base plate, a third support base plate and a sliding positioning piece. The second fixing support mechanism comprises a fourth support base plate, a fifth support base plate and a sixth support base plate, a positioning groove is formed in the side face of the fourth support base plate, the fourth support base plate is in sliding connection with the sliding positioning piece through the positioning groove, and the transmission screw mechanism penetrates through the side face of the second support base plate and is in threaded connection with the side face of the fourth support base plate; compared with the prior art, the device has the advantages that the transmission screw mechanism is operated by a worker to drive the first fixing support mechanism and the second fixing support mechanism to get close to each other or get away from each other, the device can be suitable for steel billets of different specifications, and the automation degree is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of cross wedge rolling mills, and particularly relates to a combined cross wedge rolling mill feeding trough rack. Background Art

[0002] A cross wedge rolling mill is a steel billet processing device. Generally, the cross wedge rolling mill extrudes through two rolls with wedge-shaped dies. The billet is formed under the extrusion of the two rolls with wedge-shaped dies. The existing cross wedge rolling mills usually use a trough rack for feeding. However, the existing trough rack has strict restrictions on the size of the steel billet, with poor applicability and low automation. Therefore, there is an urgent need for a combined cross wedge rolling mill feeding trough rack with high automation that can be applicable to steel billets of different specifications. Summary of the Utility Model

[0003] The utility model provides a combined cross wedge rolling mill feeding trough rack for solving the above problems.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a combined cross wedge rolling mill feeding trough rack for fixing a steel billet, including a first fixed support mechanism, a second fixed support mechanism and a transmission screw mechanism. The first fixed support mechanism includes a first support substrate, a second support substrate, a third support substrate and a sliding positioning member. The lower end of the second support substrate is fixedly connected to the first support substrate, the upper end of the second support substrate is fixedly connected to the third support substrate, the side surface of the first support substrate is fixedly connected to the sliding positioning member, and the length direction of the sliding positioning member is horizontal.

[0005] The second fixed support mechanism includes a fourth support substrate, a fifth support substrate and a sixth support substrate. The lower end of the fifth support substrate is fixedly connected to the fourth support substrate, the upper end of the fifth support substrate is fixedly connected to the sixth support substrate. A positioning groove is provided on the side surface of the fourth support substrate, and the fourth support substrate is slidably connected to the sliding positioning member through the positioning groove.

[0006] The lower end of the fourth support substrate is attached to the upper end of the first support substrate. The fourth support substrate includes needle rollers, and the fourth support substrate is rotatably connected to the first support substrate through the needle rollers.

[0007] The transmission screw mechanism passes through the side surface of the second support substrate and is threadedly connected to the fourth support substrate.

[0008] Preferably, the fourth support substrate further includes a fourth support main body. The number of the needle rollers is multiple, and multiple needle rollers are all rotatably connected to the fourth support main body. The lower ends of the multiple needle rollers are attached to the upper end surface of the first support substrate.

[0009] Preferably, the drive screw mechanism includes a connecting shaft, a screw, and a bearing member. A screw mating hole is formed in the side surface of the second support substrate, and a drive threaded hole is formed in the side surface of the fourth support substrate close to the second support substrate. The screw passes through the screw mating hole and is threadedly connected to the drive threaded hole. Both ends of the bearing member are fixedly connected to the connecting shaft and the screw respectively, and the bearing member is detachably connected to the side surface of the second support substrate.

[0010] Preferably, the drive screw mechanism further includes a rotating rocker, and the rotating rocker is detachably connected to the end of the connecting shaft away from the bearing member.

[0011] Preferably, it further includes a positioning substrate, a first bolt assembly, a second bolt assembly, and a third bolt assembly. The positioning substrate includes a first positioning plate and a second positioning plate. Long positioning holes are formed in both the first positioning plate and the second positioning plate. The lower ends of the first positioning plate and the second positioning plate are both in contact with the steel billet. A long first support plate hole is formed in the first fixed support mechanism, and a long second support plate hole is formed in the second fixed support mechanism. The first positioning plate is detachably connected to the third support substrate through the first bolt assembly, the second positioning plate is detachably connected to the sixth support substrate through the second bolt assembly, and the first support substrate and the fourth support substrate are detachably connected through the third bolt assembly.

[0012] Preferably, the first fixed support mechanism further includes a first reinforcing rib, and the first reinforcing rib is fixedly connected to the second support substrate and the third support substrate respectively.

[0013] Preferably, the second fixed support mechanism further includes a second reinforcing rib and a third reinforcing rib. The second reinforcing rib is fixedly connected to the fourth support substrate and the fifth support substrate respectively, and the third reinforcing rib is fixedly connected to the fifth support substrate and the sixth support substrate respectively.

[0014] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0015] (1) The drive screw mechanism passes through the side surface of the second support substrate and is threadedly connected to the side surface of the fourth support substrate. By operating the drive screw mechanism, the first fixed support mechanism and the second fixed support mechanism can be driven to approach or move away from each other, which can be applicable to steel billets of different specifications and has a high degree of automation.

[0016] (2) The fourth support substrate is in rolling connection with the first support substrate through needle rollers, changing sliding friction to rolling friction, greatly reducing the friction force, and making the relative movement of the first fixed support mechanism and the second fixed support mechanism more labor-saving.

[0017] (3) The fourth support substrate is slidably connected to the sliding positioning member through the positioning groove, which plays a guiding and limiting role in the relative movement of the first fixed support mechanism and the second fixed support mechanism, facilitating the normal operation of the transmission screw mechanism;

[0018] (4) A plurality of needle rollers are all rotatably connected to the fourth support body. The lower ends of the plurality of needle rollers are in contact with the upper end surface of the first support substrate. The needle rollers can still operate stably under the condition of bearing large impacts or loads, ensuring the reliability of the rolling connection between the fourth support substrate and the first support substrate;

[0019] (5) The first reinforcing rib is fixedly connected to the second support substrate and the third support substrate respectively. The first reinforcing rib improves the connection strength between the second support substrate and the third support substrate;

[0020] (6) The second reinforcing rib is fixedly connected to the fourth support substrate and the fifth support substrate respectively. When the worker operates the transmission screw mechanism to drive the first fixed support mechanism and the second fixed support mechanism to approach each other, the billet exerts a large lateral extrusion force on the fifth support substrate. The connection strength between the fourth support substrate and the fifth support substrate is greatly improved through the second reinforcing rib. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments:

[0022] Figure 1 It is the front view of the feeding chute frame of the combined cross wedge rolling mill;

[0023] Figure 2 It is the perspective view of the feeding chute frame of the combined cross wedge rolling mill Figure 1 ;

[0024] Figure 3 It is the perspective view of the feeding chute frame of the combined cross wedge rolling mill Figure 2 ;

[0025] Figure 4 It is the perspective view of the first fixed support mechanism of the feeding chute frame of the combined cross wedge rolling mill Figure 1 ;

[0026] Figure 5 It is the perspective view of the first fixed support mechanism of the feeding chute frame of the combined cross wedge rolling mill Figure 2 ;

[0027] Figure 6 It is the perspective view of the second fixed support mechanism of the feeding chute frame of the combined cross wedge rolling mill Figure 1 ;

[0028] Figure 7 It is the front view of the second fixed support mechanism of the feeding chute frame of the combined cross wedge rolling mill;

[0029] Figure 8 Stereoscopic view of the second fixed support mechanism of the feeding chute frame of the combined cross wedge rolling mill Figure 2 ;

[0030] Figure 9 Stereoscopic view of the first positioning plate of the feeding chute frame of the combined cross wedge rolling mill;

[0031] Figure 10 Stereoscopic view of the drive screw mechanism of the feeding chute frame of the combined cross wedge rolling mill.

[0032] Reference numerals:

[0033] 1 - First fixed support mechanism, 11 - First support base plate, 12 - Second support base plate, 13 - Third support base plate, 14 - Long slot hole of the first support plate, 15 - Sliding positioning member, 16 - First reinforcing rib, 17 - Screw mating hole;

[0034] 2 - Second fixed support mechanism, 21 - Fourth support base plate, 22 - Fifth support base plate, 23 - Sixth support base plate, 24 - Long slot hole of the second support plate, 25 - Positioning groove, 26 - Second reinforcing rib, 27 - Third reinforcing rib, 28 - Drive thread hole, 29 - Needle roller;

[0035] 3 - Positioning base plate, 31 - First positioning plate, 32 - Second positioning plate, 33 - Long slot hole of the positioning plate;

[0036] 4 - Steel billet;

[0037] 5 - Drive screw mechanism, 51 - Connecting shaft, 52 - Screw, 53 - Bearing member, 54 - Rotating rocker. Detailed implementation mode

[0038] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0039] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention may be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0040] Embodiment 1

[0041] The following combines Figures 1 to 10 Specifically illustrate the feeding chute frame of the combined cross wedge rolling mill, such as Figure 1 , Figure 2 and Figure 3As shown in the figure, a combined cross wedge rolling mill feeding chute frame is used to fix the billet 4, and includes a first fixed support mechanism 1, a second fixed support mechanism 2 and a driving screw mechanism 5. The first fixed support mechanism 1 includes a first support base plate 11, a second support base plate 12, a third support base plate 13 and a sliding positioning member 15. The lower end of the second support base plate 12 is fixedly connected to the first support base plate 11, the upper end of the second support base plate 12 is fixedly connected to the third support base plate 13, the side of the first support base plate 11 is fixedly connected to the sliding positioning member 15, and the length direction of the sliding positioning member 15 is horizontal.

[0042] As Figure 6 、 Figure 7 and Figure 8 shown in the figure, the second fixed support mechanism 2 includes a fourth support base plate 21, a fifth support base plate 22 and a sixth support base plate 23. The lower end of the fifth support base plate 22 is fixedly connected to the fourth support base plate 21, the upper end of the fifth support base plate 22 is fixedly connected to the sixth support base plate 23. A positioning groove 25 is provided on the side of the fourth support base plate 21, and the fourth support base plate 21 is slidably connected to the sliding positioning member 15 through the positioning groove 25.

[0043] As Figure 2 and Figure 3 shown in the figure, the lower end of the fourth support base plate 21 fits against the upper end of the first support base plate 11. The fourth support base plate 21 includes needle rollers 29, and the fourth support base plate 21 is rotatably connected to the first support base plate 11 through the needle rollers 29.

[0044] As Figure 2 and Figure 3 shown in the figure, the driving screw mechanism 5 passes through the side of the second support base plate 12 and is threadedly connected to the fourth support base plate 21.

[0045] As Figure 8 shown in the figure, the fourth support base plate 21 further includes a fourth support body. The number of needle rollers 29 is multiple, and multiple needle rollers 29 are all rotatably connected to the fourth support body. The lower ends of multiple needle rollers 29 fit against the upper end surface of the first support base plate 11.

[0046] As Figure 10 shown in the figure, the driving screw mechanism 5 includes a connecting shaft 51, a screw 52 and a bearing member 53. A screw fitting hole 17 is provided on the side of the second support base plate 12, and a driving threaded hole 28 is provided on the side of the fourth support base plate 21 close to the second support base plate 12. The screw 52 passes through the screw fitting hole 17 and is threadedly connected to the driving threaded hole 28. Both ends of the bearing member 53 are fixedly connected to the connecting shaft 51 and the screw 52 respectively, and the bearing member 53 is detachably connected to the side of the second support base plate 12.

[0047] As Figure 10 shown in the figure, the driving screw mechanism 5 further includes a rotating rocker 54, and the rotating rocker 54 is detachably connected to the end of the connecting shaft 51 away from the bearing member 53.

[0048] As Figure 2 and Figure 9 shown, it further includes a positioning substrate 3, a first bolt assembly, a second bolt assembly, and a third bolt assembly. The positioning substrate 3 includes a first positioning plate 31 and a second positioning plate 32. Long strip holes 33 are formed on both the first positioning plate 31 and the second positioning plate 32. The lower ends of the first positioning plate 31 and the second positioning plate 32 are both in contact with the billet 4. Long strip holes 14 are formed on the first fixed support mechanism 1, and long strip holes 24 are formed on the second fixed support mechanism 2. The first positioning plate 31 is detachably connected to the third support substrate 13 through the first bolt assembly, the second positioning plate 32 is detachably connected to the sixth support substrate 23 through the second bolt assembly, and the first support substrate 11 and the fourth support substrate 21 are detachably connected through the third bolt assembly.

[0049] As Figure 4 and Figure 5 shown, the first fixed support mechanism 1 further includes a first reinforcing rib 16, and the first reinforcing rib 16 is fixedly connected to the second support substrate 12 and the third support substrate 13 respectively.

[0050] As Figure 6 shown, the second fixed support mechanism 2 further includes a second reinforcing rib 26 and a third reinforcing rib 27. The second reinforcing rib 26 is fixedly connected to the fourth support substrate 21 and the fifth support substrate 22 respectively, and the third reinforcing rib 27 is fixedly connected to the fifth support substrate 22 and the sixth support substrate 23 respectively.

[0051] Working principle of the feeding chute frame of the combined cross wedge rolling mill:

[0052] After the billet 4 is placed, it is in contact with the upper end surface of the fourth support substrate 21. Then, the worker manually rotates the rocker 54 to drive the screw 52 to rotate around its own axis, so that the first fixed support mechanism 1 and the second fixed support mechanism 2 approach each other until both the second support substrate 12 and the fifth support substrate 22 are in contact with the billet 4, which can adapt to billets 4 with different diameters. Then, the final fixation is achieved through the contact of the first positioning plate 31 and the second positioning plate 32 with the billet 4 respectively.

[0053] The above is only the preferred embodiment of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification and equivalent change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A combined wedge cross rolling mill feed trough frame for fixing a steel billet (4), characterized in that: The invention comprises a first fixed support mechanism (1), a second fixed support mechanism (2) and a transmission screw mechanism (5); the first fixed support mechanism (1) comprises a first support base plate (11), a second support base plate (12), a third support base plate (13) and a sliding positioning member (15); the lower end of the second support base plate (12) is fixedly connected to the first support base plate (11); the upper end of the second support base plate (12) is fixedly connected to the third support base plate (13); the side surface of the first support base plate (11) is fixedly connected to the sliding positioning member (15); and the length direction of the sliding positioning member (15) is horizontal; The second fixed support mechanism (2) comprises a fourth support base plate (21), a fifth support base plate (22) and a sixth support base plate (23); the lower end of the fifth support base plate (22) is fixedly connected to the fourth support base plate (21); the upper end of the fifth support base plate (22) is fixedly connected to the sixth support base plate (23); a positioning groove (25) is provided on a side surface of the fourth support base plate (21); and the fourth support base plate (21) is slidably connected to the sliding positioning member (15) via the positioning groove (25); The lower end of the fourth bracket substrate (21) is in contact with the upper end of the first bracket substrate (11), the fourth bracket substrate (21) comprises a roller needle (29), and the fourth bracket substrate (21) is rollingly connected to the first bracket substrate (11) via the roller needle (29); The transmission screw mechanism (5) passes through the side surface of the second bracket base plate (12) and is threadedly connected to the fourth bracket base plate (21).

2. The combined cross wedge rolling mill feed trough frame according to claim 1, characterized in that: The fourth bracket substrate (21) further comprises a fourth bracket body, the plurality of roller needles (29) are rotatably connected to the fourth bracket body, and the lower ends of the plurality of roller needles (29) are in contact with the upper end surface of the first bracket substrate (11).

3. The combined cross wedge rolling mill feed trough frame according to claim 1, characterized in that: The transmission screw mechanism (5) comprises a connecting shaft (51), a screw (52) and a bearing member (53); a screw matching hole (17) is provided on the side of the second bracket substrate (12); a transmission threaded hole (28) is provided on the side of the fourth bracket substrate (21) close to the second bracket substrate (12); the screw (52) passes through the screw matching hole (17) and is threadedly connected to the transmission threaded hole (28); two ends of the bearing member (53) are respectively fixedly connected to the connecting shaft (51) and the screw (52); and the bearing member (53) is detachably connected to the side of the second bracket substrate (12).

4. A combined cross wedge rolling mill feed trough frame according to claim 3, characterized in that: The transmission screw mechanism (5) further comprises a rotating rocker (54), wherein the rotating rocker (54) is detachably connected to an end of the connecting shaft (51) away from the bearing member (53).

5. The combined cross wedge rolling mill feed trough frame according to claim 1, characterized in that: The invention also comprises a positioning base plate (3), a first bolt assembly, a second bolt assembly and a third bolt assembly. The positioning base plate (3) comprises a first positioning plate (31) and a second positioning plate (32). The first positioning plate (31) and the second positioning plate (32) are both provided with positioning plate elongated holes (33). The lower ends of the first positioning plate (31) and the second positioning plate (32) are both fitted with the steel billet (4). The first fixing bracket mechanism (1) is provided with a first bracket plate elongated hole (14). The second fixing bracket mechanism (2) is provided with a second bracket plate elongated hole (24). The first positioning plate (31) is detachably connected to the third bracket base plate (13) via the first bolt assembly. The second positioning plate (32) is detachably connected to the sixth bracket base plate (23) via the second bolt assembly. The first bracket base plate (11) is detachably connected to the fourth bracket base plate (21) via the third bolt assembly.

6. The combined cross wedge rolling mill feed trough frame according to claim 1, characterized in that: The first fixed support mechanism (1) further comprises a first reinforcing rib (16), wherein the first reinforcing rib (16) is fixedly connected to the second support base plate (12) and the third support base plate (13) respectively.

7. The combined cross wedge rolling mill feed trough frame according to claim 1, characterized in that: The second fixed support mechanism (2) further comprises a second reinforcing rib (26) and a third reinforcing rib (27), wherein the second reinforcing rib (26) is fixedly connected to the fourth support base plate (21) and the fifth support base plate (22), respectively, and the third reinforcing rib (27) is fixedly connected to the fifth support base plate (22) and the sixth support base plate (23), respectively.

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