Automatic production line for forklift portal frame channel steel machining

Abstract

The utility model provides an automatic production line for processing channel steel of a forklift gantry, which comprises a machine tool, the machine tool is provided with a first machining center and a second machining center, the first machining center is used for milling channel steel and machining shaft holes and threaded holes in the side faces of the channel steel, the second machining center is used for milling the front faces of the channel steel and machining shaft holes in the front faces of the channel steel, and the machine tool is further provided with a first workbench corresponding to the first machining center. The machine tool is further provided with a second workbench corresponding to the second machining center. The steel channel positioning device has the advantages that steel channels can be limited in the left-right direction, the front-back direction and the up-down direction through the first positioning tool, the second positioning tool and the carrier rollers of the guide pressing roller way, and the steel channels can be pressed in the left-right direction and the up-down direction through the first pressing tool and the second pressing tool; therefore, one-time machining of the inner portal frame channel steel, the outer portal frame channel steel and the middle portal frame channel steel can be completed on the first machining center and the second machining center correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of channel steel processing, in particular to an automated production line for processing channel steel of a forklift door frame. Background Art

[0002] In the forklift industry, forklift mast channel steels are divided into inner mast channel steels, outer mast channel steels and middle mast channel steels. The cross-sectional shape of the inner mast channel steels and the outer mast channel steels is C-shaped, and the cross-sectional shape of the middle mast channel steels is J-shaped. There are surfaces that need to be processed on the two mutually perpendicular surfaces of the C-shaped and J-shaped surfaces, and different surfaces are processed differently. When processing forklift mast channel steels in actual production, the processing and manufacturing process needs to go through several processes to complete. The turnover and transportation of intermediate parts waste manpower and material resources. At the same time, the production efficiency is low and the processing quality is difficult to guarantee. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of the utility model is to provide an automated production line for forklift portal frame channel steel processing, which is used to solve the problems in the prior art that turnover and transportation are required during processing and production, which wastes manpower and material resources, and at the same time, the production efficiency is low and the processing quality is difficult to guarantee.

[0004] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0005] An automated production line for processing forklift door frame channel steels, comprising a machine tool, a feeding roller conveyor is provided on the side of the machine tool, and the machine tool is provided with a first machining center for milling the channel steels and machining shaft holes and threaded holes on the side of the channel steels, and a second machining center for front milling of the channel steels and machining shaft holes on the front, the machine tool is also provided with a first workbench corresponding to the first machining center, a first guide pressing roller conveyor connected to the feeding roller conveyor is provided on the first workbench, and the first workbench is also provided with a first pushing device, a plurality of first positioning fixtures, a plurality of first pressing fixtures, a second pressing fixture, and a second positioning fixture located on the side of the first guide pressing roller conveyor in sequence;

[0006] The machine tool is also provided with a second workbench corresponding to the second machining center, the second workbench is provided with a second guide and clamping roller, and the second workbench is also provided with a second pushing device, a plurality of first positioning toolings, a plurality of first clamping toolings, a second clamping tooling and a second positioning tooling in sequence on the side of the second guide and clamping roller.

[0007] The loading roller in this technical solution can transport the pre-treated channel steel to the first guide and pressure roller, the first guide and pressure roller can transport the channel steel transported from the loading roller to the processing position of the first processing center, and the second guide and pressure roller can transport the channel steel at the processing position of the first processing center to the second processing center.

[0008] In one embodiment of the utility model, the first pushing device and the second pushing device are both installed on the power mechanism of the machine tool, and the first pushing device and the second pushing device can be moved under the drive of the power mechanism of the machine tool, wherein the first pushing device includes a first support frame installed on the power mechanism of the machine tool, a first pushing cylinder installed on the first support frame, and a first pushing block, a driving rod of the first pushing cylinder passes through the first support frame and is connected to the first pushing block, this technical solution drives the first pushing block to move by the first pushing cylinder and can push the channel steel on the feeding roller and the first guide clamping roller to the first machining center under the drive of the power mechanism of the machine tool.

[0009] In one embodiment of the utility model, the first positioning tool includes a first support seat installed on the first workbench and the second workbench, a connecting plate installed on the first support seat, and a first positioning block installed on the connecting plate and used to position the channel steel. This technical solution can position the channel steel in a processing state under the action of the first positioning block.

[0010] In one embodiment of the utility model, the first clamping tool includes a second support frame installed on the first workbench and the second workbench, a first clamping cylinder installed on the second support frame, and a clamping column that plays a role in clamping the channel steel. The driving rod of the first clamping cylinder passes through the second support frame and is connected to the clamping column. This technical solution drives the clamping column to move by the first clamping cylinder, so that the clamping column contacts the channel steel, and can fix the channel steel on the first guide clamping roller or the second guide clamping roller in the left and right directions.

[0011] In one embodiment of the utility model, the second clamping tool includes a third support frame installed on the first workbench and the second workbench, a second clamping cylinder installed on the third support frame, and a clamping block that clamps the channel steel. The driving rod of the second clamping cylinder passes through the third support frame and is connected to the clamping block. This technical solution drives the clamping block to move by the second clamping cylinder, so that the clamping block contacts the channel steel, and can fix the channel steel on the first guide clamping roller or the second guide clamping roller in the up and down directions.

[0012] In one embodiment of the utility model, the second positioning tool includes a second support seat installed on the first workbench and the second workbench, a positioning cylinder installed on the second support seat, and a second positioning block for positioning the channel steel. The driving rod of the positioning cylinder passes through the second support seat and is connected to the second positioning block. This technical solution drives the second positioning block to move by the positioning cylinder, so that the channel steel in the processing state can be positioned under the action of the second positioning block.

[0013] In one embodiment of the utility model, the second pushing device includes a fourth support frame installed on the machine tool power mechanism, a second pushing cylinder and a second pushing block installed on the fourth support frame, the driving rod of the second pushing cylinder passes through the fourth support frame and is connected to the second pushing block, and the sides of the first pushing block and the second pushing block are both provided with wear-resistant strips.

[0014] In one embodiment of the utility model, the fourth support frame is also connected to a tensioning cylinder via a fixed seat, the tensioning cylinder is connected to a tensioning block via a tensioning guide rod, and a guide rail is installed on the side of the fourth support frame facing the tensioning cylinder, and a slider installed on the tensioning block is slidably connected to the guide rail.

[0015] The above technical solution drives the second pushing block to move by the second pushing cylinder and drives the tensioning block to move by the tensioning cylinder, and can push the channel steel on the first machining center and the second guide clamping roller position to the second machining center under the drive of the machine tool power mechanism.

[0016] As described above, the utility model is an automated production line for forklift portal frame channel steel processing, which has the following beneficial effects: the utility model can enable the channel steel to automatically and accurately enter the first processing center on the first guide pressing roller and the second processing center on the second guide pressing roller through the first pushing device and the second pushing device, and then the left and right, front and back, and up and down directions of the channel steel can be limited through the first positioning tool and the second positioning tool and the rollers of the guide pressing roller. The left and right and up and down directions of the channel steel can be clamped through the first clamping tool and the second clamping tool, so that the one-time processing of the inner portal frame channel steel, the outer portal frame channel steel and the middle portal frame channel steel can be completed on the first machining center and the second machining center respectively, with a high degree of automation, avoiding waste of manpower and material resources, while improving production efficiency and ensuring processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure shows a left front perspective schematic diagram of an automated production line for processing forklift portal channel steel disclosed in an embodiment of the utility model;

[0018] Figure 2The figure shows a right front perspective schematic diagram of an automated production line for processing channel steel for forklift door frames disclosed in an embodiment of the utility model;

[0019] Figure 3 Shown is a three-dimensional schematic diagram of a first pushing device in an automated production line for processing forklift door frame channel steel disclosed in an embodiment of the utility model;

[0020] Figure 4 Shown is a three-dimensional schematic diagram of a first positioning tool in an automated production line for processing forklift door frame channel steel disclosed in an embodiment of the utility model;

[0021] Figure 5 Shown is a three-dimensional schematic diagram of a first pressing tool in an automated production line for processing forklift door frame channel steel disclosed in an embodiment of the utility model;

[0022] Figure 6 Shown is a three-dimensional schematic diagram of a second pressing tool in an automated production line for processing forklift door frame channel steel disclosed in an embodiment of the utility model;

[0023] Figure 7 Shown is a three-dimensional schematic diagram of a second positioning tool in an automated production line for processing forklift door frame channel steel disclosed in an embodiment of the utility model;

[0024] Figure 8 Shown is a three-dimensional schematic diagram of a second pushing device in an automated production line for processing forklift portal channel steels disclosed in an embodiment of the utility model.

[0025] Component number description

[0026] 1. Machine tool; 2. Feeding roller; 3. First machining center; 4. Second machining center; 5. First workbench; 6. Second workbench; 7. First guide and clamping roller; 8. Second guide and clamping roller; 9. First pushing device; 901. First support frame; 902. First pushing oil cylinder; 903. First pushing block; 904. Wear strip; 905. First guide rod; 906. First sliding sleeve; 10. First positioning fixture; 1001. First support seat; 1002. Connecting plate; 1003. First positioning block; 11. First clamping fixture; 1101. Second support frame; 1102. First clamping oil cylinder; 1103. Clamping column; 12. Second clamping fixture; 1201 , the third support frame; 1202, the second clamping cylinder; 1203, the clamping block; 1204, the second guide rod; 1205, the second sleeve; 13, the second positioning tool; 1301, the second support seat; 1302, the positioning cylinder; 1303, the second positioning block; 1304, the third guide rod; 1305, the third sleeve; 14, the second pushing device; 1401, the fourth support frame; 1402, the second pushing cylinder; 1403, the second pushing block; 1404, the fourth guide rod; 1405, the fourth sleeve; 1406, the fixed seat; 1407, the tensioning cylinder; 1408, the tensioning block; 15, the channel steel; 16, the power mechanism of the machine tool; 17, the guide rail; 18, the slider. DETAILED DESCRIPTION

[0027] The following specific embodiments illustrate the implementation of the present invention, and those familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0028] See also Figure 1 and Figure 2 The utility model provides an automated production line for processing channel steel for forklift door frames, including a machine tool 1, a feeding roller 2 is arranged on the side of the machine tool 1, and the channel steel 15 that has been pre-treated can be transported to the first guide pressing roller 7 through the feeding roller 2, and the machine tool 1 is provided with a first processing center 3 for milling the channel steel 15 and processing the shaft hole and threaded hole on the side of the channel steel 15, and a second processing center 4 for front milling and front shaft hole processing of the channel steel 15, and the machine tool 1 is also provided with a first workbench 5 corresponding to the first processing center 3, and the first workbench 5 is provided with a first guide pressing roller 7 connected to the feeding roller 2, and the channel steel 15 transported from the feeding roller 2 can be transported to the processing position of the first processing center 3 through the first guide pressing roller 7, and the first guide pressing roller 7 also plays a role in positioning the channel steel 15 in the upper and lower directions;

[0029] The first workbench 5 is also provided with a first pushing device 9, several first positioning fixtures 10, several first clamping fixtures 11, a second clamping fixture 12 and a second positioning fixture 13 located on the side of the first guide clamping roller 7 in sequence, wherein the first pushing device 9 and several first positioning fixtures 10 are located on one side of the first guide clamping roller 7, and the first pushing device 9 and several first positioning fixtures 10 are evenly spaced on the first workbench 5 along the length direction of the first guide clamping roller 7, several first clamping fixtures 11 are located on the other side of the first guide clamping roller 7, and several first clamping fixtures 11 are evenly spaced on the first workbench 5 along the length direction of the first guide clamping roller 7, the second positioning fixture 13 is installed on the side of the first workbench 5 away from the loading roller 2, the second clamping fixture 12 is located on the side of the first positioning fixture 10, the first clamping fixture 11 and the second positioning fixture 13, and the first machining center 3 is located between the second clamping fixture 12 and the second positioning fixture 13.

[0030] exist Figure 2 and Figure 3 In the embodiment, the first pushing device 9 and the second pushing device 14 are both installed on the power mechanism 16 of the machine tool, and the first pushing device 9 and the second pushing device 14 can move under the drive of the power mechanism 16 of the machine tool. The first pushing device 9 includes a first support frame 901 installed on the power mechanism 16 of the machine tool, a first pushing cylinder 902 and a first pushing block 903 installed on the first support frame 901, and a driving rod of the first pushing cylinder 902 passes through the first support frame 901 and is connected to the first pushing block 903. The support frame 901 is also provided with two first guide rods 905 located on both sides of the first pushing cylinder 902. The first support frame 901 is also provided with a first sliding sleeve 906 slidably connected to the first guide rod 905. The first pushing cylinder 902 drives the first pushing block 903 to move and, under the drive of the machine tool power mechanism 16, the channel steel 15 on the loading roller 2 can be pushed to the first guide clamping roller 7. At the same time, the channel steel 15 can be accurately pushed to the first positioning tool 10 and the second positioning tool 13 on the first workbench 5.

[0031] Depend on Figure 4 It can be known that the first positioning tool 10 includes a first support seat 1001 installed on the first workbench 5 and the second workbench 6, a connecting plate 1002 installed on the first support seat 1001, and a first positioning block 1003 installed on the connecting plate 1002 and used to position the channel steel 15, wherein the first positioning block 1003 is a positioning grinding block, which needs to undergo corresponding heat treatment to ensure its good wear resistance. Under the action of the first positioning block 1003, the channel steel 15 in the processing state can be positioned, and is used to limit the left and right directions of the channel steel 15.

[0032] exist Figure 5In the figure, the first clamping tool 11 includes a second support frame 1101 installed on the first workbench 5 and the second workbench 6, a first clamping cylinder 1102 installed on the second support frame 1101 and a clamping column 1103 for clamping the channel steel 15, and a driving rod of the first clamping cylinder 1102 passes through the second support frame 1101 and is connected to the clamping column 1103, wherein the clamping column 1103 is driven to move by the first clamping cylinder 1102, so that the clamping column 1103 contacts the channel steel 15, and the channel steel 15 can be fixed on the first guide clamping roller 7 or the second guide clamping roller 8 in the left and right directions, that is, the first clamping tool 11 clamps the channel steel 15 on the first guide clamping roller 7 or the second guide clamping roller 8 in the left and right directions.

[0033] See also Figure 6 The second pressing tool 12 includes a third support frame 1201 installed on the first workbench 5 and the second workbench 6, a second pressing cylinder 1202 installed on the third support frame 1201 and a pressing block 1203 for pressing the channel steel 15. The driving rod of the second pressing cylinder 1202 passes through the third support frame 1201 and is connected to the pressing block 1203. The third support frame 1201 is also provided with two second guide rods 1204 located on both sides of the second pressing cylinder 1202. The third support frame 1201 is also provided with a second sliding sleeve 1205 which is slidably connected to the second guide rod 1204. The second clamping cylinder 1202 drives the clamping block 1203 to move, so that the clamping block 1203 contacts the channel steel 15, and the channel steel 15 can be fixed on the first guide clamping roller 7 or the second guide clamping roller 8 in the up and down directions. That is, the second clamping tool 12 clamps the channel steel 15 on the first guide clamping roller 7 or the second guide clamping roller 8 in the up and down directions.

[0034] exist Figure 7 In the embodiment, the second positioning tool 13 includes a second support seat 1301 installed on the first workbench 5 and the second workbench 6, a positioning cylinder 1302 installed on the second support seat 1301 and a second positioning block 1303 for positioning the channel steel 15, a driving rod of the positioning cylinder 1302 passes through the second support seat 1301 and is connected with the second positioning block 1303, wherein the second support seat 1301 is also provided with two third guide rods 1304 located on both sides of the positioning cylinder 1302, and the second support seat 1301 is also provided with a third sliding sleeve 1305 slidably connected with the third guide rod 1304, the second positioning block 1303 is driven to move by the positioning cylinder 1302, so that the channel steel 15 in the processing state can be positioned under the action of the second positioning block 1303, and is used to limit the front and rear directions of the channel steel 15;

[0035] See also Figure 1 and Figure 2, the machine tool 1 is also provided with a second workbench 6 corresponding to the second machining center 4, and the second workbench 6 is provided with a second guide pressing roller 8, wherein the feeding roller 2, the first guide pressing roller 7 and the second guide pressing roller 8 all include a plurality of rollers for conveying the channel steel 15 which are evenly spaced, and the channel steel 15 at the machining position of the first machining center 3 can be transported to the second machining center 4 through the second guide pressing roller 8, and at the same time, the second guide pressing roller 8 also plays a role in positioning the channel steel 15 in the up and down directions, and the second workbench 6 is also provided with a second pushing device 14, a plurality of first positioning fixtures 10, a plurality of first pressing fixtures 11, a second pressing fixture 12 and a second positioning fixture 13 which are located on the side of the second guide pressing roller 8 in sequence;

[0036] Among them, the second pushing device 14 and several first positioning fixtures 10 are located on one side of the second guide pressing roller 8, and the second pushing device 14 and several first positioning fixtures 10 are evenly spaced along the length direction of the second guide pressing roller 8 on the second workbench 6, several first pressing fixtures 11 are located on the other side of the second guide pressing roller 8, and several first pressing fixtures 11 are evenly spaced along the length direction of the second guide pressing roller 8 on the second workbench 6, the second positioning fixture 13 is located on the side of the second workbench 6 away from the first workbench 5, the second pressing fixture 12 is located on the side of the first positioning fixture 10, the first pressing fixture 11 and the second positioning fixture 13, and the second machining center 4 is located between the second pressing fixture 12 and the second positioning fixture 13.

[0037] Depend on Figure 8It can be known that the second pushing device 14 includes a fourth support frame 1401 installed on the machine tool power mechanism 16, a second pushing cylinder 1402 and a second pushing block 1403 installed on the fourth support frame 1401, a driving rod of the second pushing cylinder 1402 passes through the fourth support frame 1401 and is connected to the second pushing block 1403, the sides of the first pushing block 903 and the second pushing block 1403 are both provided with wear-resistant strips 904, and the fourth support frame 1401 is also connected to a tensioning cylinder 1407 through a fixed seat 1406, and the tensioning cylinder 1407 is connected to a tensioning block 1408 through a tensioning guide rod, and a guide rail 17 is installed on the side of the fourth support frame 1401 facing the tensioning cylinder 1407, and the guide rail 17 slides on It is dynamically connected with a slider 18 installed on the tensioning block 1408, wherein the fourth support frame 1401 is also provided with two fourth guide rods 1404 located on both sides of the second pushing cylinder 1402, and the fourth support frame 1401 is also provided with a fourth sleeve 1405 slidably connected to the fourth guide rod 1404. The second pushing cylinder 1402 drives the second pushing block 1403 to move and the tensioning cylinder 1407 drives the tensioning block 1408 to move, and under the drive of the machine tool power mechanism 16, the channel steel 15 can be accurately pushed to the second guide clamping roller 8 and the second machining center 4, and at the same time, the channel steel 15 can be accurately pushed to the first positioning tool 10 and the second positioning tool 13 on the second workbench 6.

[0038] Specifically, when processing the forklift portal channel steel 15, first the first pushing device 9 pushes the channel steel 15 at the position of the feeding roller 2 and the first guide pressing roller 7 to the first processing center 4. When the channel steel 15 is positioned by the first guide pressing roller 7, the first positioning fixture 10, the second positioning fixture 13, etc. and pressed by the first pressing fixture 11 and the second pressing fixture 12, the first processing center 3 is provided with a side drilling mechanism and an upper and lower milling device, so the first processing center 3 can perform milling processing on the outer portal channel steel 15 in the vertical state, and perform drilling processing on the outer portal channel steel 15 in the lateral state at the same time, perform milling processing on the inner portal channel steel 15 in the vertical state, perform milling processing on the middle portal channel steel 15 in the vertical state and perform drilling processing on the middle portal channel steel 15 in the lateral state at the same time;

[0039] After the forklift portal frame channel steel 15 is processed in the first machining center 3, the first clamping fixture 11 and the second clamping fixture 12 release the clamping effect, and the second pushing device 14 clamps and pushes the channel steel 15 processed by the first machining center 3 to the second guide clamping roller 8 and the second machining center 4. When the channel steel 15 is positioned by the second guide clamping roller 8, the first positioning fixture 10, the second positioning fixture 13, etc. and clamped by the first clamping fixture 11 and the second clamping fixture 12, the second machining center 4 is provided with a front drilling mechanism and a milling device, so the second machining center 4 can drill the outer portal frame channel steel 15 in the vertical state, drill the inner portal frame channel steel 15 in the vertical state, and drill the middle portal frame channel steel 15 in the vertical state, and the channel steel 15 is now processed.

[0040] The utility model can make the channel steel 15 automatically and accurately enter the first processing center 3 on the first guide pressing roller 7 and the second processing center 4 on the second guide pressing roller 8 through the first pushing device 9 and the second pushing device 14, and then the left and right, front and back, and up and down directions of the channel steel 15 can be limited through the first positioning tool 10 and the second positioning tool 13 and the rollers of the guide pressing roller, and the left and right and up and down directions of the channel steel 15 can be clamped through the first clamping tool 11 and the second clamping tool 12, so that the one-time processing of the inner door frame channel steel, the outer door frame channel steel and the middle door frame channel steel can be completed on the first processing center 3 and the second processing center 4 respectively, with a high degree of automation, avoiding waste of manpower and material resources, while improving production efficiency and ensuring processing quality.

[0041] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. All equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An automated production line for forklift portal frame channel steel processing, comprising a machine tool (1), characterized in that: A loading roller (2) is provided on the side of the machine tool (1), and a first machining center (3) for milling the channel steel (15) and machining the axial hole and threaded hole on the side of the channel steel (15) and a second machining center (4) for milling the front of the channel steel (15) and machining the front axial hole are provided on the machine tool (1). A first workbench (5) is also provided on the machine tool (1) corresponding to the first machining center (3), and a first guide pressing roller (7) connected to the loading roller (2) is provided on the first workbench (5), and the first workbench (5) is also provided with a first pushing device (9) located on the side of the first guide pressing roller (7), a plurality of first positioning fixtures (10), a plurality of first pressing fixtures (11), a second pressing fixture (12) and a second positioning fixture (13) in sequence; The machine tool (1) is also provided with a second workbench (6) corresponding to the second machining center (4), the second workbench (6) is provided with a second guide and clamping roller (8), and the second workbench (6) is also provided with a second pushing device (14) located on the side of the second guide and clamping roller (8), a plurality of first positioning tools (10), a plurality of first clamping tools (11), a second clamping tool (12) and a second positioning tool (13) in sequence.

2. The automated production line for forklift portal frame channel steel processing according to claim 1, characterized in that: The first pushing device (9) and the second pushing device (14) are both installed on the power mechanism (16) of the machine tool, and the first pushing device (9) and the second pushing device (14) can move under the drive of the machine tool power mechanism (16), wherein the first pushing device (9) comprises a first support frame (901) installed on the machine tool power mechanism (16), a first pushing cylinder (902) and a first pushing block (903) installed on the first support frame (901), and a driving rod of the first pushing cylinder (902) passes through the first support frame (901) and is connected to the first pushing block (903).

3. The automated production line for forklift portal frame channel steel processing according to claim 1, characterized in that: The first positioning tool (10) comprises a first support seat (1001) installed on the first workbench (5) and the second workbench (6), a connecting plate (1002) installed on the first support seat (1001), and a first positioning block (1003) installed on the connecting plate (1002) and used for positioning the channel steel (15).

4. The automated production line for forklift portal frame channel steel processing according to claim 1, characterized in that: The first clamping tool (11) comprises a second support frame (1101) installed on the first workbench (5) and the second workbench (6), a first clamping cylinder (1102) installed on the second support frame (1101), and a clamping column (1103) for clamping the channel steel (15), wherein a driving rod of the first clamping cylinder (1102) passes through the second support frame (1101) and is connected to the clamping column (1103).

5. The automated production line for forklift portal frame channel steel processing according to claim 1, characterized in that: The second clamping tool (12) includes a third support frame (1201) installed on the first workbench (5) and the second workbench (6), a second clamping cylinder (1202) installed on the third support frame (1201), and a clamping block (1203) for clamping the channel steel (15), and a driving rod of the second clamping cylinder (1202) passes through the third support frame (1201) and is connected to the clamping block (1203).

6. The automated production line for forklift portal frame channel steel processing according to claim 1, characterized in that: The second positioning tool (13) includes a second support seat (1301) installed on the first workbench (5) and the second workbench (6), a positioning cylinder (1302) installed on the second support seat (1301) and a second positioning block (1303) for positioning the channel steel (15), and a driving rod of the positioning cylinder (1302) passes through the second support seat (1301) and is connected to the second positioning block (1303).

7. The automated production line for forklift portal frame channel steel processing according to claim 2, characterized in that: The second pushing device (14) comprises a fourth support frame (1401) mounted on the machine tool power mechanism (16), a second pushing cylinder (1402) and a second pushing block (1403) mounted on the fourth support frame (1401); a driving rod of the second pushing cylinder (1402) passes through the fourth support frame (1401) and is connected to the second pushing block (1403); and wear-resistant strips (904) are provided on the sides of the first pushing block (903) and the second pushing block (1403).

8. The automated production line for forklift portal frame channel steel processing according to claim 7, characterized in that: The fourth support frame (1401) is also connected to a tensioning cylinder (1407) via a fixed seat (1406), and the tensioning cylinder (1407) is connected to a tensioning block (1408) via a tensioning guide rod, and a guide rail (17) is installed on the side of the fourth support frame (1401) facing the tensioning cylinder (1407), and a slider (18) installed on the tensioning block (1408) is slidably connected to the guide rail (17).

Images