Pipe fitting drilling positioning tool

Abstract

The utility model relates to the field of pipe fitting drilling, and discloses a pipe fitting drilling positioning tool which comprises a machine frame, a machining table arranged at the top end of the machine frame, a first air cylinder arranged on the machine frame and opposite to the machining table, steering rods symmetrically hinged to the two ends of the machining table, and a mounting frame fixedly arranged at one end of each steering rod. A first connecting rod is hinged to the end, away from the mounting frame, of the steering rod and hinged to the piston end of the first air cylinder. The mounting frame is slidably connected with mounting plates which are bilaterally symmetrical and vertically arranged, fasteners which are vertically symmetrical are slidably connected into the mounting plates, springs are connected between the fasteners and the mounting plates, the springs are used for enabling the fasteners to abut against the surfaces of the pipe fittings, and the mounting frame is provided with a second air cylinder for driving the mounting plates to slide. The pipe fitting positioning device has the advantages that straight-head pipe fittings and elbow pipe fittings can be positioned, and pipe fittings within a large diameter range can be positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting drilling, in particular to a pipe fitting drilling positioning tool. Background Art

[0002] The design of tooling and fixtures is generally carried out after the machining process of parts is formulated according to the specific requirements of a certain process. When formulating the process, the possibility of fixture realization should be fully considered. The design quality of tooling and fixtures should be measured by whether they can stably guarantee the machining quality of workpieces, high production efficiency, low cost, convenient chip removal, safe operation, labor saving, and easy manufacturing and maintenance.

[0003] The Chinese utility model patent with the authorization announcement number CN218555679U discloses a pipe fitting drilling and positioning tool, including a bottom plate, support blocks are arranged on both sides above the bottom plate, a fixing groove is opened in the middle above the support block, side plates are arranged on both sides above the support block, the two side plates are fixedly connected by a top plate above, a hydraulic cylinder is arranged in the middle above the top plate, the stroke end of the hydraulic cylinder passes through the top plate and is fixedly connected to the pressure block, the two side plates on the same side of the bottom plate are fixedly connected by a guide rod, the guide rod is sleeved with a guide sleeve, and the two guide sleeves are fixedly connected by a movable plate. A through hole is provided in the middle of the movable plate, and a scale is provided above the guide rod; however, the prior art still has the following technical problems: first, the support block and other devices for fixing the pipe fittings are fixedly installed on the base plate, so the prior art can only process straight pipe fittings, but not elbow pipe fittings; second, the curvature of the fixed groove of the support block and the arc groove of the pressure block are both non-adjustable, so the device is only suitable for positioning pipe fittings with fixed diameters, and the practical scope is relatively small; therefore, when it is necessary to process elbow pipe fittings or pipe fittings with larger and smaller diameters, other equipment needs to be introduced, increasing the production and processing costs. Utility Model Content

[0004] The utility model aims to provide a pipe fitting drilling positioning tool, which can position both straight pipe fittings and elbow pipe fittings and can position pipe fittings in a larger diameter range.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a pipe drilling positioning tool, comprising a frame, a processing table is arranged at the top of the frame, the frame is provided with a first cylinder opposite to the processing table, steering rods are symmetrically hinged at both ends of the processing table, a mounting frame is fixedly arranged at one end of the steering rod, a first connecting rod is hinged at the end of the steering rod away from the mounting frame, and the first connecting rod is hinged to the piston end of the first cylinder; the mounting frame is slidably connected to a mounting plate that is symmetrically arranged vertically on the left and right, and a fastener that is symmetrical up and down is slidably connected inside the mounting plate, a spring is connected between the fastener and the mounting plate, and the spring is used to press the fastener against the surface of the pipe, and the mounting frame is provided with a second cylinder that drives the mounting plate to slide.

[0006] By adopting the above technical scheme, a steering rod and a first connecting rod are set, and the first connecting rod is driven to move by the first cylinder. Under the action of the first connecting rod, the steering rod rotates on the processing table, thereby adjusting the angle and position of the mounting brackets located at both ends of the processing table. For elbow pipe fittings with different curvatures, the angle between the mounting brackets can be adjusted by the first cylinder to fix the elbow pipe fittings, and the purpose of fixing both straight pipe fittings and elbow pipe fittings can be achieved; by setting fasteners and springs, the fasteners on the mounting plates protrude from the mounting plates on the opposite sides of the two mounting plates and are arranged in an arc shape. When the pipe fittings are placed between the mounting plates on both sides and the mounting plates are gradually approached under the drive of the second cylinder, the fasteners contact the surface of the pipe fittings after the mounting plates approach, and the pipe fittings interact with the fasteners. Finally, the springs press the fasteners tightly against the surface of the pipe fittings, and the purpose of fixing pipe fittings of different diameters can be achieved.

[0007] The utility model is further configured as follows: the mounting frame is respectively provided with a top plate and a bottom plate, the top plate and the bottom plate are both provided with slide grooves and are symmetrical up and down, the mounting plate is provided with sliders up and down, the sliders are embedded in the slide grooves, the second cylinder piston end is connected to the top end of the mounting plate with a second connecting rod, the second connecting rod is hinged to the second cylinder piston end, and the second connecting rod is hinged to the top end of the mounting plate.

[0008] By adopting the above technical solution, by setting the slide groove and the slider, due to the upper and lower fixation of the top plate and the bottom plate, the mounting plate can slide stably in the slide groove, and the purpose of adjusting the width of the mounting plate according to the diameter of the pipe can be achieved; by setting the second connecting rod, under the connection of the second connecting rod, the second connecting rod transmits the effect of the second cylinder equally to the left and right symmetrical mounting plate, and converts the power of the second cylinder's upper and lower movement into the power of horizontal movement, which can achieve the purpose of driving the mounting plate to move on the mounting frame and autonomously controlling the spacing.

[0009] The utility model is further configured as follows: a universal wheel is fixedly connected to the bottom end of the base plate, and the universal wheel is tangent to the processing table.

[0010] By adopting the above technical solution and setting a universal wheel, when the first cylinder drives the steering rod to rotate to adjust the direction, the mounting frame is guided under the action of the universal wheel, thereby facilitating the rotation of the steering rod and accelerating the positioning; and when the pipe fitting is installed on the mounting frame, the universal wheel can play a role of supporting the mounting frame, thereby reducing the force on the first positioning rod and increasing the service life of the tooling.

[0011] The utility model is further configured as follows: the bottom plate is threadedly connected with a positioning bolt, the positioning bolt is connected with a positioning sleeve near the bottom end of the processing table, and the positioning sleeve is configured as rubber and is detachably connected to the positioning bolt.

[0012] By adopting the above technical solution, by setting the positioning bolt and the positioning sleeve, after adjusting the angle between the mounting frames, the positioning bolt is rotated to press the positioning sleeve against the processing table, and the rubber will be tightly pressed against the processing table, so as to achieve the purpose of positioning the mounting frame after adjusting the angle; after positioning, the pipe fitting is installed on the mounting frame for processing.

[0013] The utility model is further configured as follows: the mounting plate is vertically provided with a through slot, guide blocks are provided on both sides of the fastener, the guide blocks penetrate the through slot, connecting blocks are respectively provided at the top and bottom ends of the mounting plate, the spring is connected between the connecting block and the fastener, and the sides of the fasteners on different mounting plates that are close to each other are configured as arcs.

[0014] By adopting the above technical solution and setting the through groove and the guide block, when the mounting plate adds the pipe fitting in the middle and continues to clamp it, the mounting plate will be subjected to the force of the fastener, the spring will be compressed and contracted, and at the same time the spring will press the fastener tightly against the pipe fitting, thereby achieving the purpose of fixing the pipe fitting.

[0015] The utility model is further configured as follows: first positioning rods are fixedly arranged at both ends of the processing table, and the steering rod is rotatably connected to the first positioning rods.

[0016] The utility model is further configured as follows: a driving plate is fixedly connected to the piston end of the first cylinder, second positioning rods are fixedly arranged on both sides of the driving plate, and the first connecting rod is hinged to the second positioning rod.

[0017] By adopting the above technical solution, by setting the first positioning rod and the second positioning rod, when the first cylinder drives the piston to move horizontally, the first cylinder piston drives the driving plate to move horizontally, and under the drive of the driving plate, the first connecting rod drives the steering rod to rotate at a certain angle with the first positioning rod as the center, thereby achieving the purpose of smooth rotation of the steering rod driven by the first cylinder.

[0018] The beneficial effects of the utility model are as follows: the angle between the mounting frames is adjusted by the first cylinder according to the curvature of the pipe to be processed, the distance between the mounting plates is adjusted by the second cylinder, the pipe is clamped between the mounting plates, the fasteners are pressed tightly against the surface of the pipe on the basis of the pipe being brought close to each other on the mounting plates under the action of the fasteners and the springs, and the pipe can be positioned, both straight pipes and elbow pipes can be positioned, and pipes with a larger diameter range can be positioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a partial structural schematic diagram of the mounting frame of the utility model.

[0022] In the figure, 1, frame; 11, first cylinder; 111, drive plate; 112, second positioning rod; 2, processing table; 21, steering rod; 22, first connecting rod; 23, first positioning rod; 3, mounting frame; 31, mounting plate; 311, fastener; 312, spring; 313, slider; 314, through groove; 315, guide block; 316, connecting block; 32, second cylinder; 33, top plate; 34, bottom plate; 341, universal wheel; 342, positioning bolt; 343, positioning sleeve; 35, slide groove; 36, second connecting rod. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment, a pipe drilling positioning tool, such as Figure 1-Figure 2As shown, it includes a frame 1, a processing table 2 and a first cylinder 11 are respectively provided at both ends of the frame 1, the processing table 2 and the first cylinder 11 correspond to each other, a driving plate 111 is fixedly connected to the piston end of the first cylinder 11, and second positioning rods 112 are symmetrically provided at both ends of the driving plate 111, the second positioning rod 112 is hinged with a first connecting rod 22, and the end of the first connecting rod 22 away from the first cylinder 11 is hinged with a steering rod 21; first positioning rods 23 are symmetrically provided at both ends of the processing table 2, the steering rod 21 is rotatably hinged to the first positioning rod 23, and a mounting frame 3 is fixedly provided at one end of the steering rod 21 away from the first connecting rod 22, and a top plate 33 and a bottom plate 34 are respectively provided on the top and bottom of the mounting frame 3, and the top and bottom plates 33 and the bottom plates 34 are both provided with symmetrical sliding grooves 35, and a vertically arranged mounting plate 31 is slidably connected between the top and bottom plates 33 and 34 on the left and right sides of the mounting frame 3, and sliders 313 are provided at the upper and lower ends of the mounting plate 31, and the sliders 313 are embedded in the sliding grooves 35 to realize The mounting plate 31 is slidably connected; a second cylinder 32 is provided at the top of the mounting frame 3, and a second connecting rod 36 is connected to the piston end of the second cylinder 32 and the top of the mounting plate 31. The second connecting rod 36 is hinged with the piston of the second cylinder 32 and the mounting plate 31. The upper and lower sides of the mounting plate 31 are slidably connected with fasteners 311. The mounting plate 31 is vertically provided with a through slot 314. The two ends of the fastener 311 are respectively connected with guide blocks 315, and the guide blocks 315 penetrate the through slot 314 for In order to slide in the through groove 314, the upper and lower ends of the mounting plate 31 are connected with connecting blocks 316, a spring 312 is connected between the connecting block 316 and the fastener 311, and an arc is set at the end of the fastener 311 that is close to each other; a universal wheel 341 is installed at the bottom end of the bottom plate 34, the universal wheel 341 is tangent to the surface of the processing table 2, the bottom plate 34 is threadedly connected with a positioning bolt 342, and the bottom end of the positioning bolt 342 is detachably connected with a positioning sleeve 343, and the positioning sleeve 343 is made of rubber.

[0025] Its working principle is: start the first cylinder 11, adjust the angle between the mounting frames 3 according to the arc shape of the pipe to be processed, the first cylinder 11 drives the driving plate 111 to move horizontally, the driving plate 111 drives the first connecting rod 22 to move, the first connecting rod 22 drives the steering rod 21 to rotate around the first positioning rod 23, the steering rod 21 rotates to adjust the angle of the mounting frames 3 on both sides of the processing table 2, the universal wheel 341 rolls on the processing table 2 to support and guide the mounting frames 3, when the angle is good, fix the position of the first motor piston, twist the positioning bolt 342 to tightly press the positioning sleeve 343 against the processing table 2, the position of the mounting frame 3 is fixed, start the second motor, and then turn on the second motor. Driven by the second motor, the width between the mounting plates 31 is adjusted to the widest, and then the pipe to be processed is placed between the two mounting plates 31. The second cylinder 32 moves the piston upward. Driven by the piston, the mounting plates 31 on both sides gradually approach each other. When the mounting plates 31 approach to a certain extent, the fastener 311 contacts the pipe, and the fastener 311 slides vertically on the mounting plate 31 under the reaction force of the pipe. When the spring 312 is squeezed, the spring 312 generates a reaction force on the fastener 311, so that the spring 312 presses the fastener 311 tightly against the surface of the pipe. The pipe is fixed on the processing table 2, and the pipe is drilled by external processing equipment.

Claims

1. A pipe drilling positioning tool, characterized in that: The invention comprises a frame (1), a processing table (2) is arranged at the top of the frame (1), the frame (1) is provided with a first cylinder (11) opposite to the processing table (2), the processing table (2) has steering rods (21) symmetrically hinged at both ends, a mounting frame (3) is fixedly arranged at one end of the steering rod (21), a first connecting rod (22) is hinged at one end of the steering rod (21) away from the mounting frame (3), and the first connecting rod (22) is hinged to the first cylinder (11). ) piston end; the mounting frame (3) is slidably connected to a mounting plate (31) which is symmetrically arranged vertically on the left and right sides; a fastener (311) which is symmetrically arranged vertically on the inside of the mounting plate (31) is slidably connected; a spring (312) is connected between the fastener (311) and the mounting plate (31); the spring (312) is used to press the fastener (311) against the surface of the pipe; the mounting frame (3) is provided with a second cylinder (32) for driving the mounting plate (31) to slide.

2. A pipe drilling and positioning tool according to claim 1, characterized in that: The mounting frame (3) is provided with a top plate (33) and a bottom plate (34) at the top and bottom, respectively; the top plate (33) and the bottom plate (34) are both provided with a slide groove (35) and are symmetrical up and down; the mounting plate (31) is provided with a slider (313) at the top and bottom, and the slider (313) is embedded in the slide groove (35); the piston end of the second cylinder (32) and the top end of the mounting plate (31) are connected with a second connecting rod (36); the second connecting rod (36) is hinged to the piston end of the second cylinder (32); and the second connecting rod (36) is hinged to the top end of the mounting plate (31).

3. A pipe drilling and positioning tool according to claim 2, characterized in that: A universal wheel (341) is fixedly connected to the bottom end of the base plate (34), and the universal wheel (341) is tangent to the processing table (2).

4. A pipe drilling and positioning tool according to claim 3, characterized in that: The bottom plate (34) is threadedly connected to a positioning bolt (342), and the bottom end of the positioning bolt (342) close to the processing table (2) is connected to a positioning sleeve (343), and the positioning sleeve (343) is set to rubber and is detachably connected to the positioning bolt (342).

5. The pipe drilling and positioning tool according to claim 1, characterized in that: The mounting plate (31) is vertically provided with a through slot (314), guide blocks (315) are provided on both sides of the fastener (311), and the guide blocks (315) penetrate the through slot (314), and the top and bottom ends of the mounting plate (31) are respectively provided with connecting blocks (316), and the spring (312) is connected between the connecting blocks (316) and the fastener (311), and the sides of the fasteners (311) located on different mounting plates (31) that are close to each other are all arranged in an arc shape.

6. A pipe drilling and positioning tool according to claim 1, characterized in that: First positioning rods (23) are fixedly arranged at both ends of the processing table (2), and the steering rod (21) is rotatably connected to the first positioning rod (23).

7. A pipe drilling and positioning tool according to claim 6, characterized in that: The piston end of the first cylinder (11) is fixedly connected to a driving plate (111), second positioning rods (112) are fixedly arranged on both sides of the driving plate (111), and the first connecting rod (22) is hinged to the second positioning rod (112).

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