Strip steel welding seam punching selection device
By adding punching cylinders and other components in the strip steel weld punching selection device, the detection of the strip steel thickness and artificial selection of whether to punch holes is solved, and the problem of damage to the punch needle due to the thickness of the strip steel exceeding the limit is solved, saving spare parts Cost and extend service life.
Patent Information
- Application Number
- CN202420287666.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-07
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-02-07
AI Technical Summary
In cold-rolled galvanized production line, when the thickness of the strip steel exceeds the limit punching capacity of the welding machine equipment, the punch needle is frequently damaged, resulting in increased spare parts consumption.
Design a strip steel weld punching selection device, which can detect the thickness of the strip steel and manually select whether to punch the punching needle by adding punching cylinders, cylinder brackets, sliders, sliders and positioning rings to avoid damage to the punching needle.
Select whether to punch according to the thickness specification of the strip to avoid damage to the punch needle, save spare parts costs, and extend the service life of the punch needle and die.
Smart Images
Figure CN222519525U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a strip steel weld punching selection device, belonging to the technical field of steel rolling production auxiliary equipment. Background Art
[0002] In the cold-rolled galvanized production line, a welding machine is generally equipped, whose main function is to weld the tail of the previous roll and the head of the next roll together to ensure the continuous production of the production line; on the outlet side of the welding machine, about 100mm away from the weld, the welding machine is equipped with a punching device, including a shearing hydraulic cylinder, an upper base of the welding machine, a lower base of the welding machine, an upper shearing blade, a lower shearing blade, a punching needle and a punching die; the shearing hydraulic cylinder is fixed to the walking steel structure frame of the welding machine by bolts, the upper base of the welding machine is fixed to the lower end of the cylinder rod of the shearing hydraulic cylinder, the upper shearing blade and the punching needle are respectively installed on the upper base of the welding machine, and the lower shearing blade and the punching die are respectively installed On the lower base of the welding machine; when the welding machine is shearing, the shear hydraulic cylinder rod moves downward, and the upper base fixed to the lower end of the cylinder rod moves downward at the same time, and the upper shear blade and punch needle installed on the upper base descend together. The upper shear blade cooperates with the lower shear blade installed on the lower base to complete the shearing of the strip steel. At the same time, the punch needle descends with the upper shear blade and punches into the die to punch out a through hole with a diameter of about 20mm in the strip steel. The function of this through hole is to detect the position of the strip steel weld on the production line. Some equipment needs to make some opening or closing actions according to the position of the weld to avoid damage to the rubber roller of the production line due to the weld. In the actual production process, the thickness of some strip steel exceeds the limit punching capacity of the welding machine equipment. When the welding machine is shearing, the punch needle is frequently damaged because the thickness of the strip steel exceeds the punching capacity. It needs to be replaced in time to ensure the normal operation of the production line, which increases the spare parts consumption cost of the production line. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a strip steel weld seam punching selection device, which can manually select whether the strip steel weld seam is punched according to different strip steel thickness specifications before the welding machine shears, thereby avoiding damage to the punching needle and saving spare parts costs.
[0004] The technical solution to solve the above technical problems is:
[0005] A device for selecting punching holes in steel strip welds comprises a shearing hydraulic cylinder, an upper base of a welding machine, a lower base of a welding machine, an upper shearing blade, a lower shearing blade, a punching needle and a punching die; the shearing hydraulic cylinder is fixed to a traveling steel structure frame of the welding machine by bolts, the upper base of the welding machine is fixed to the lower end of the shearing hydraulic cylinder rod, the upper shearing blade and the punching needle are respectively installed on the upper base of the welding machine, and the lower shearing blade and the punching die are respectively installed on the lower base of the welding machine; the improvement thereof is that it also comprises a punching cylinder, a cylinder bracket, a slideway, a slider and a positioning ring; the cylinder bracket is fixed to the fixing bolts of the shearing hydraulic cylinder, the punching cylinder is fixed to the cylinder bracket, and after fixing, the punching cylinder is in a horizontal state; the slideway is fixed to the cylinder body of the shearing hydraulic cylinder, the slider is slidably connected to the slideway, and the cylinder rod of the punching cylinder is connected to the slider; the positioning ring is fixed to the upper end of the cylinder rod of the shearing hydraulic cylinder; when the cylinder rod of the shearing hydraulic cylinder is lifted to the limit position, the slider can move along the slideway to between the positioning ring and the upper surface of the cylinder body of the shearing hydraulic cylinder.
[0006] In the above-mentioned strip weld punching selection device, the slideway is fixed to the upper surface of the shear hydraulic cylinder body and is arranged horizontally; the lower surface of the positioning ring is fixed to the upper surface of the shear hydraulic cylinder rod, and the positioning ring is in a horizontal state after fixing.
[0007] In the above-mentioned strip weld punching selection device, the shearing surface of the punch die and the shearing surface of the lower shear blade are on the same plane, and the shearing surface of the punch needle is higher than the shearing surface of the upper shear blade.
[0008] In the above-mentioned strip weld punching selection device, the thickness of the slider needs to ensure that after the shear hydraulic cylinder rod descends to complete the shearing of the strip, the top of the punch needle does not contact the strip due to the blocking of the slider on the descending stroke of the positioning ring.
[0009] The method of using the utility model is:
[0010] First, assemble and install the utility model. When the thickness of the steel plate to be sheared exceeds the limit punching capacity of the punch needle, control the punching cylinder rod to extend, so that the slider slides between the top positioning ring of the shear hydraulic cylinder rod and the upper surface of the shear hydraulic cylinder body. When the shear hydraulic cylinder drives the upper shear blade downward to shear the strip steel, the positioning ring on the upper part of the shear hydraulic cylinder rod contacts the slider, and the slider limits the descending stroke of the shear hydraulic cylinder. Due to the thickness of the slider, after the shear hydraulic cylinder descends to complete the shearing of the strip steel, the top of the punch needle does not contact the strip steel due to the blocking of the slider on the descent of the positioning ring, so the punch needle cannot punch the strip steel, but it will not affect the normal shearing of the strip steel by the upper and lower shear blades. When it is necessary to punch the strip steel weld, control the rod of the punching cylinder to retract, and the slider slides backward to leave the descending range of the shear hydraulic cylinder rod, and will not block the positioning ring, so that the strip steel can be sheared and punched at the same time.
[0011] The beneficial effects of the utility model are:
[0012] The utility model can manually select whether to punch holes in the weld seam of the steel strip according to different steel strip thickness specifications when the welding machine is shearing, thereby avoiding damage to the punching device due to excessive steel plate thickness and increasing spare parts costs, and also can extend the service life of the punching needle and the punching die.
[0013] The utility model performs normal punching on the strip steel within the punching capacity range, and chooses not to punch the strip steel whose thickness is beyond the punching capacity range. After welding is completed, a mobile welding machine is used to manually weld holes at the weld position, replacing the punching of the production line welding machine, so as to facilitate the production line to track the weld position. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the installation of the utility model;
[0015] Figure 2 It is a schematic diagram of the connection of the slideway slider;
[0016] Figure 3 for Figure 1 Enlarged view of part A in the middle;
[0017] Figure 4 for Figure 1 Enlarged view of part B;
[0018] Figure 5 It is a schematic diagram of the connection between the U-shaped slider and the punching cylinder;
[0019] The markings in the figure are: punching cylinder 1, cylinder bracket 2, slide 3, slide block 4, positioning ring 5, shearing hydraulic cylinder 6, fixing bolt 7, shearing hydraulic cylinder rod 8, punching needle 9, punching die 10, welding machine upper base 11, welding machine lower base 12, upper shear blade 13, lower shear blade 14, strip steel 15, guide column 16, frame 17, synchronous connecting rod 18 DETAILED DESCRIPTION
[0020] The present invention is further described in detail below through specific embodiments.
[0021] Figure 1 The utility model shows a strip steel weld punching selection device, comprising a shearing hydraulic cylinder 6, a welding machine upper base 11, a welding machine lower base 12, an upper shear blade 13, a lower shear blade 14, a punching needle 9, a punching die 10, a punching cylinder 1, a cylinder bracket 2, a slideway 3, a slide block 4 and a positioning ring 5; the shearing hydraulic cylinder 6 is fixed to the frame 17 by a fixing bolt 7, and the welding machine upper base 11 is fixed to the lower end of the shearing hydraulic cylinder rod 8; Figure 4It is shown that the upper shear blade 13 and the punch needle 9 are respectively installed on the upper base 11 of the welding machine, and the shear surface of the punch needle 9 is higher than the shear surface of the upper shear blade 13 after installation; the lower shear blade 14 and the punch die 10 are respectively installed on the lower base 12 of the welding machine, and the shear surface of the punch die 10 and the shear surface of the lower shear blade 14 are on the same plane after installation; Figure 1 and Figure 3 It is shown that the cylinder bracket 2 is an L-shaped steel plate, the horizontal part of which is fixed to the frame 17 by the shear hydraulic cylinder fixing bolts 7, and the punching cylinder 1 is fixed to the vertical plate of the cylinder bracket 2. After fixing, the punching cylinder 1 is in a horizontal state; Figure 2 It is shown that the slideway 3 is composed of two steel plates. Figure 1 and Figure 3 It is shown that two mutually parallel slideways 3 are fixed to the upper surface of the cylinder body of the shear hydraulic cylinder 6 and are in a horizontal state; Figure 5 It is shown that the slider 4 in this embodiment is U-shaped. Figure 2 It is shown that the width of the two U-shaped arms of the U-shaped slider 4 matches the width of the two slideways 3, and the two U-shaped arms of the U-shaped slider 4 are slidably connected to the two slideways 3 respectively; Figure 1 , Figure 3 and Figure 5 It is shown that the bottom of the U-shaped slider 4 is connected to the cylinder rod of the punching cylinder 1, and the slider 4 slides on the slideway 3 by the extension and contraction of the cylinder rod of the punching cylinder 1; Figure 1 and Figure 3 It is shown that the lower surface of the positioning ring 5 is fixed to the upper surface of the shear hydraulic cylinder rod 8, and the positioning ring 5 is in a horizontal state after being fixed; Figure 1 and Figure 3 It is shown that when the cylinder rod 8 of the shearing hydraulic cylinder is lifted to the limit position, the slider 4 can move along the slide 3 to between the positioning ring 5 and the upper surface of the cylinder body of the shearing hydraulic cylinder 6 to block the descent of the cylinder rod 8 of the shearing hydraulic cylinder; the thickness of the slider 4 needs to ensure that after the shearing hydraulic cylinder cylinder rod 8 descends to complete the shearing of the strip steel 15, due to the blocking of the slider 4 on the descent of the positioning ring 5, the shearing surface of the punch 9 does not contact the strip steel 15; two guide cylinders are welded on the frame 17, and the guide column 16 is installed in the guide cylinder. The upper part of the guide column 16 is pin-connected with the synchronous connecting rod 18, and the lower part of the guide column 16 is pin-connected with the upper base 11 of the welding machine. The cylinder rod 8 of the shearing hydraulic cylinder 6 extends out to push the upper base 11 of the welding machine downward. Under the joint limiting action of the synchronous connecting rod 18 and the guide column 16, the upper base 11 of the welding machine is always in a horizontal state when it descends to shear the strip steel 15, and the shearing angle of the upper shear blade 13 is not changed, ensuring that the entire shearing process is the most labor-saving state, and extending the service life of the upper shear blade 13.
[0022] In this embodiment, the shearing surface of the die 10 and the shearing surface of the lower shearing blade 14 are on the same plane, the shearing surface of the punch needle 9 is 70mm higher than the shearing surface of the upper shearing blade 13, the distance between the upper shearing blade 13 and the lower shearing blade 14 is 150mm, the stroke of the shearing hydraulic cylinder 6 cylinder rod 8 is 230mm, and the thickness of the U-shaped slider 4 is 20mm; when it is necessary to punch the weld of the strip steel 15, operate the corresponding button to retract the cylinder rod of the punching cylinder 1, and the U-shaped slider 4 slides backward along the slideway 3 to slide out of the descending range of the shearing hydraulic cylinder cylinder rod 8. During shearing, the downward stroke of the hydraulic cylinder cylinder rod 8 is 230mm, the meshing amount of the upper shearing blade 13 and the lower shearing blade 14 is 80mm, and the stamping meshing depth of the punch needle 9 and the die 10 is 10mm. While shearing the strip steel 15, the strip steel 15 is completed. During punching, the punching needle 9 just falls into the die 10; when the strip punching function needs to be turned off, only the corresponding button needs to be operated to extend the cylinder rod of the punching cylinder 1, and the U-shaped slider 4 slides forward to just below the positioning ring 5. When the shearing hydraulic cylinder 6 drives the upper shear blade 13 to shear the strip 15 downward, the positioning ring 5 on the upper part of the shearing hydraulic cylinder rod 8 contacts the U-shaped slider 4, blocking the further descent of the shearing hydraulic cylinder rod 8; since the U-shaped slider 4 limits the stroke of the shearing hydraulic cylinder by 20 mm, during shearing, the downward stroke of the shearing hydraulic cylinder 6 becomes 210 mm, the engagement amount of the upper shear blade 13 and the lower shear blade 14 becomes 60 mm, the distance between the punching needle 9 and the die 10 is 10 mm, there is no engagement depth, and the strip 15 cannot be punched, but it will not affect the normal shearing of the strip 15 by the upper and lower shear blades.
Claims
1. A steel strip weld punching selection device, comprising a shearing hydraulic cylinder (6), a welding machine upper base (11), a welding machine lower base (12), an upper shear blade (13), a lower shear blade (14), a punching needle (9) and a punching die (10); the shearing hydraulic cylinder (6) is fixed to a traveling steel structure frame (17) of the welding machine through fixing bolts (7), the welding machine upper base (11) is fixed to the lower end of the cylinder rod of the shearing hydraulic cylinder (6), the upper shear blade (13) and the punching needle (9) are respectively mounted on the welding machine upper base (11), and the lower shear blade (14) and the punching die (10) are respectively mounted on the welding machine lower base (12); characterized in that: It also includes a punching cylinder (1), a cylinder bracket (2), a slideway (3), a slider (4) and a positioning ring (5); the cylinder bracket (2) is fixed on the fixing bolt (7) of the shearing hydraulic cylinder (6), and the punching cylinder (1) is fixed on the cylinder bracket (2), and after being fixed, the punching cylinder (1) is in a horizontal state; the slideway (3) is fixed on the cylinder body of the shearing hydraulic cylinder (6), the slider (4) is slidably connected to the slideway (3), and the cylinder rod of the punching cylinder (1) is connected to the slider (4); the positioning ring (5) is fixed to the upper end of the cylinder rod of the shearing hydraulic cylinder (6); when the cylinder rod of the shearing hydraulic cylinder (6) is lifted to the limit position, the slider (4) can move along the slideway (3) to between the positioning ring (5) and the upper surface of the cylinder body of the shearing hydraulic cylinder (6).
2. A strip steel weld punching selection device as claimed in claim 1, characterized in that: The slideway (3) is fixed to the upper surface of the cylinder body of the shear hydraulic cylinder (6) and is arranged horizontally; the lower surface of the positioning ring (5) is fixed to the upper surface of the cylinder rod of the shear hydraulic cylinder (6), and after being fixed, the positioning ring (5) is in a horizontal state.
3. A strip steel weld punching selection device as claimed in claim 1, characterized in that: The shearing surface of the punching die (10) and the shearing surface of the lower shearing blade (14) are on the same plane, and the shearing surface of the punching needle (9) is higher than the shearing surface of the upper shearing blade (13).
4. A strip steel weld punching selection device as claimed in claim 1, characterized in that: The thickness of the slider (4) needs to ensure that after the cylinder rod of the shear hydraulic cylinder (6) descends to complete the shearing of the steel strip (15), the top of the punch needle (9) does not contact the steel strip (15) due to the blocking of the downward stroke of the positioning ring (5) by the slider (4).