Rack welding positioning device

Abstract

The utility model discloses a machine frame welding positioning device which comprises a base, a first positioning frame and a second positioning frame are arranged above the base, two first sliding grooves are formed in the upper end of the base, the lower end of the second positioning frame extends into the first sliding grooves, and the lower end of the second positioning frame extends into the first sliding grooves. A first motor is arranged on one side of the base, a ball screw is arranged in one first sliding groove and connected with a second positioning frame in a penetrating and threaded mode, two telescopic cavities are formed in the upper end of the base, top plates are arranged in the two telescopic cavities, and the top plates are arranged in the two telescopic cavities. A positioning structure of the positioning device can translate, the positioning structure can be adjusted according to the size of the rack, the racks of different sizes can be conveniently positioned, a liftable supporting structure is arranged at the bottom of the device, the rack is jacked up from the lower end of the rack, the inclination angle of the rack is changed, and the positioning accuracy of the rack is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rack welding technical field, concretely is a rack welding positioning device. BACKGROUND

[0002] Rack welding is an important manufacturing process, it utilizes electric arc, gas welding or laser etc. Mode and carries out two or more metal materials and forms integrated processing technology of fusion, in order to ensure the quality of rack welding, need to take a series of quality control measures, and rack welding positioning is an auxiliary measure.

[0003] Chinese patent publication No. CN202461852U, the authorization announcement day is October 3, 2012, a rack welding positioning device for machine cabinet, it includes base, the top surface of the opposite two side ends of base is provided with support column, support column bottom end sets horizontal limiting component, the support column is provided with clamping component, the other opposite two side ends of base are provided with vertical positioning component. The utility model does not deform when whole rack welding machine cabinet, and welding size is accurate, and diagonal line deviation is small, and welding quality is easily controlled, so that product quality is greatly improved, and manpower cost is reduced simultaneously.

[0004] The positioning structure of existing positioning device is fixedly arranged, when rack welding positioning of different sizes is carried out, positioning is inconvenient, and the inclination angle of positioning structure cannot be adjusted, rack positioning inclination angle is inconvenient to adjust, rack positioning accuracy is reduced, and the use demand cannot be met. UTILITY MODEL CONTENTS

[0005] The utility model is provided with a rack welding positioning device to solve the problem that the positioning structure of existing positioning device is fixedly arranged, when rack welding positioning of different sizes is carried out, positioning is inconvenient, and the inclination angle of positioning structure cannot be adjusted, rack positioning inclination angle is inconvenient to adjust, rack positioning accuracy is reduced, and the use demand cannot be met.

[0006] To achieve the above object, the utility model provides the following technical scheme: A rack welding positioning device, first positioning frame and second positioning frame are arranged on the top of the base, and the first positioning frame is connected with the base through screws, first sliding slot is arranged on the upper end of the base, and two first sliding slots are arranged, the lower end of the second positioning frame extends to the inside of the first sliding slot, and the second positioning frame is connected with the base through sliding, first motor is arranged on the side of the base, and the first motor is connected with the base through screws, the inside of one first sliding slot is provided with a ball screw, and one end of the ball screw is connected with the output end of the first motor, the ball screw is connected with the second positioning frame through screw threads, and the ball screw is rotatably connected with the base, telescopic cavities are arranged on the upper end of the base, two telescopic cavities are arranged, top plates are arranged in the inside of two telescopic cavities, fourth electric push rods are arranged below the top plates, and the two ends of the fourth electric push rods are fixedly connected with the base and the top plate respectively.

[0007] Preferably, rubber pads are arranged below the base, the rubber pads are arranged at least four, and the rubber pads are connected with the base through screws, a guide rod is arranged in the inside of the other first sliding slot, and the guide rod is fixedly connected with the base, and the guide rod is connected with the second positioning frame through sliding.

[0008] Preferably, second clamping plates are arranged on the inner sides of the first positioning frame and the second positioning frame, third electric push rods are arranged between the second clamping plates and the first positioning frame and the second positioning frame, the main bodies of the third electric push rods are connected with the first positioning frame and the second positioning frame through screws, and the telescopic ends of the third electric push rods are fixedly connected with the second clamping plates.

[0009] Preferably, third sliding slots are arranged on the inner walls of the telescopic cavities, first sliding strips are arranged on the two sides of the top plates, the first sliding strips are arranged two, the first sliding strips are fixedly connected with the top plates, one end of the first sliding strip extends to the inside of the third sliding slot, and the first sliding strip is connected with the base through sliding.

[0010] Preferably, U-shaped frames are arranged on the inner sides of the first positioning frame and the second positioning frame, first electric push rods are arranged below the U-shaped frames, the main bodies of the first electric push rods are connected with the first positioning frame and the second positioning frame through screws, and the telescopic ends of the first electric push rods are fixedly connected with the U-shaped frames.

[0011] Preferably, first clamping plates are arranged on the inner sides of the U-shaped frames, the first clamping plates are arranged two, second electric push rods are arranged on the one side of the two first clamping plates, and the two ends of the second electric push rods are fixedly connected with the U-shaped frames and the first clamping plates respectively.

[0012] Preferably, the inner wall of the first positioning frame and the second positioning frame is provided with a second sliding groove, both sides of the U-shaped frame are provided with a second sliding strip, the second sliding strip is provided with two, and the second sliding strip is fixedly connected with the U-shaped frame, one end of the second sliding strip extends to the inside of the second sliding groove, and the second sliding strip is slidably connected with the first positioning frame and the second positioning frame.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a device through the setting of first positioning frame, second positioning frame, first sliding groove, first motor, ball screw, second clamping plate, third electric push rod, top plate and fourth electric push rod, fourth electric push rod drives top plate to lift, and the end of the rack is lifted up to change the inclination angle of the rack, and first motor drives ball screw to rotate, and the second positioning frame is driven to move along first sliding groove along with the rotation of ball screw, and first positioning frame and second positioning frame contact from both sides of the rack to realize rack positioning, and third electric push rod drives second clamping plate to move, and second clamping plate is in close contact with the rack, and the rack is clamped and fixed, thereby improving the stability of the rack.

[0015] 2. The utility model discloses a device through the setting of U-shaped frame, first electric push rod, first clamping plate and second electric push rod, first electric push rod drives U-shaped frame to lift, changes the height of U-shaped frame, and second electric push rod drives first clamping plate to move, and first clamping plate is in contact with the rack on U-shaped frame and is fixed, and small -size rack is positioned on U-shaped frame, thereby improving the applicability of the positioning device. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the A area local enlarged view of the utility model;

[0018] Figure 3 It is the second positioning frame and top plate and base connection cross section view of the utility model;

[0019] Figure 4 It is the U-shaped frame perspective view of the utility model;

[0020] Figure 5 It is the top plate perspective view of the utility model.

[0021] In the figure: 1, base; 2, rubber pad; 3, first positioning frame; 4, second positioning frame; 5, first sliding groove; 6, first motor; 7, U-shaped frame; 8, first electric push rod; 9, first clamping plate; 10, second electric push rod; 11, second sliding groove; 12, second clamping plate; 13, third electric push rod; 14, telescopic cavity; 15, top plate; 16, fourth electric push rod; 17, third sliding groove; 18, first sliding bar; 19, ball screw; 20, guide rod; 21, second sliding bar. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: a rack welding positioning device, including base 1, the top of base 1 is provided with first positioning frame 3 and second positioning frame 4, and first positioning frame 3 is connected through screw with base 1, the upper end of base 1 is provided with first sliding groove 5, first sliding groove 5 is provided with two, the lower end of second positioning frame 4 extends to the inside of first sliding groove 5, and second positioning frame 4 is connected with base 1 slidingly, the side of base 1 is provided with first motor 6, and first motor 6 is connected through screw with base 1, the inside of one first sliding groove 5 is provided with ball screw 19, and one end of ball screw 19 is connected with the output end of first motor 6, ball screw 19 is connected with second positioning frame 4 through thread, and ball screw 19 is rotatably connected with base 1, the upper end of base 1 is provided with telescopic cavity 14, telescopic cavity 14 is provided with two, the inside of two telescopic cavities 14 is provided with top plate 15, the lower of top plate 15 is provided with fourth electric push rod 16, and the both ends of fourth electric push rod 16 are fixedly connected with base 1 and top plate 15 respectively, the lower of base 1 is provided with rubber pad 2, rubber pad 2 is provided with at least four, and rubber pad 2 is connected through screw with base 1, the inside of another first sliding groove 5 is provided with guide rod 20, and guide rod 20 is fixedly connected with base 1, guide rod 20 is connected with second positioning frame 4 through sliding.

[0024] When using: the rack is placed on base 1, and the rack is contacted with first positioning frame 3, drives fourth electric push rod 16 to drive top plate 15 to go up and down, the end of the rack is lifted up by the rising of top plate 15, changes the inclination angle of the rack, opens first motor 6 to drive ball screw 19 to rotate, along with the rotation of ball screw 19 drives second positioning frame 4 to move along first sliding groove 5, second positioning frame 4 is contacted with the other side of the rack, realizes the positioning of the rack.

[0025] Please refer to Figure 1 , Figure 2 and Figure 5The inner side of the first positioning frame 3 and the second positioning frame 4 is provided with a second clamping plate 12, the second clamping plate 12 is provided with a third electric push rod 13 between the first positioning frame 3 and the second positioning frame 4, and the main body of the third electric push rod 13 is connected with the first positioning frame 3 and the second positioning frame 4 through screws, the telescopic end of the third electric push rod 13 is fixedly connected with the second clamping plate 12, a third sliding groove 17 is arranged on the inner wall of the telescopic cavity 14, first sliding strips 18 are arranged on both sides of the top plate 15, the first sliding strips 18 are provided with two, and the first sliding strips 18 are fixedly connected with the top plate 15, one end of the first sliding strips 18 extends to the inside of the third sliding groove 17, and the first sliding strips 18 are slidably connected with the base 1, the third electric push rod 13 drives the second clamping plate 12 to move, the second clamping plate 12 is in close contact with the rack, the rack to be positioned is clamped and fixed, and the stability of the rack is improved.

[0026] Please refer to Figure 1 and Figure 4 The inner side of the first positioning frame 3 and the second positioning frame 4 is provided with a U-shaped frame 7, the lower side of the U-shaped frame 7 is provided with a first electric push rod 8, the main body of the first electric push rod 8 is connected with the first positioning frame 3 and the second positioning frame 4 through screws, the telescopic end of the first electric push rod 8 is fixedly connected with the U-shaped frame 7, the inner side of the U-shaped frame 7 is provided with a first clamping plate 9, the first clamping plate 9 is provided with two, one side of the two first clamping plates 9 is provided with a second electric push rod 10, and the two ends of the second electric push rod 10 are fixedly connected with the U-shaped frame 7 and the first clamping plate 9 respectively, a second sliding groove 11 is arranged on the inner wall of the first positioning frame 3 and the second positioning frame 4, second sliding strips 21 are arranged on both sides of the U-shaped frame 7, the second sliding strips 21 are provided with two, and the second sliding strips 21 are fixedly connected with the U-shaped frame 7, one end of the second sliding strips 21 extends to the inside of the second sliding groove 11, and the second sliding strips 21 are slidably connected with the first positioning frame 3 and the second positioning frame 4, the first electric push rod 8 drives the U-shaped frame 7 to ascend and descend, the height of the U-shaped frame 7 is changed, the second electric push rod 10 drives the first clamping plate 9 to move, the first clamping plate 9 is in contact with the rack placed on the U-shaped frame 7 to be fixed, small-size racks can be conveniently placed on the U-shaped frame 7 for positioning, and the applicability of the positioning device is improved.

[0027] Working principle: the rack is placed on the base 1, one side of the rack is in contact with the first positioning frame 3, the fourth electric push rod 16 is driven to drive the top plate 15 to rise and fall, the top plate 15 is lifted to change the inclination angle of the rack, the first motor 6 is started to drive the ball screw 19 to rotate, the second positioning frame 4 is driven to move along the first sliding groove 5 with the rotation of the ball screw 19, the second positioning frame 4 is in contact with the other side of the rack, the positioning of the rack is realized, the third electric push rod 13 is driven to drive the second clamping plate 12 to move, the second clamping plate 12 is in close contact with the rack, the clamping and fixing of the positioned rack are carried out, and the stability of the rack is improved; when the small-size rack is positioned, the first electric push rod 8 is driven to drive the U-shaped frame 7 to rise and fall, the height of the U-shaped frame 7 is changed, the rack is placed on the U-shaped frame 7, and then the second electric push rod 10 is driven to drive the first clamping plate 9 to move, the first clamping plate 9 is in contact with the rack placed on the U-shaped frame 7 to be fixed, the small-size rack is conveniently placed on the U-shaped frame 7 for positioning, and the applicability of the positioning device is improved.

[0028] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A frame welding positioning device, comprising a base (1), characterized in that: A first positioning frame (3) and a second positioning frame (4) are provided above the base (1), and the first positioning frame (3) is connected to the base (1) by screws. A first sliding groove (5) is provided at the upper end of the base (1), and there are two first sliding grooves (5). The lower end of the second positioning frame (4) extends into the interior of the first sliding groove (5), and the second positioning frame (4) is slidably connected to the base (1). A first motor (6) is provided on one side of the base (1), and the first motor (6) is connected to the base (1) by screws. A ball bearing is provided inside one of the first sliding grooves (5). A lead screw (19) is provided, and one end of the ball screw (19) is connected to the output end of the first motor (6). The ball screw (19) is threadedly connected to the second positioning frame (4), and the ball screw (19) is rotatably connected to the base (1). The upper end of the base (1) is provided with a telescopic cavity (14). There are two telescopic cavities (14). The interior of each of the two telescopic cavities (14) is provided with a top plate (15). A fourth electric push rod (16) is provided below the top plate (15), and the two ends of the fourth electric push rod (16) are fixedly connected to the base (1) and the top plate (15) respectively.

2. The frame welding positioning device according to claim 1, characterized in that: A rubber pad (2) is provided below the base (1). There are at least four rubber pads (2), and the rubber pads (2) are connected to the base (1) by screws. Another guide rod (20) is provided inside the first slide groove (5), and the guide rod (20) is fixedly connected to the base (1). The guide rod (20) is slidably connected to the second positioning frame (4).

3. The frame welding positioning device according to claim 1, characterized in that: The inner sides of the first positioning frame (3) and the second positioning frame (4) are provided with a second clamping plate (12). A third electric push rod (13) is provided between the second clamping plate (12) and the first positioning frame (3) and the second positioning frame (4). The main body of the third electric push rod (13) is connected to the first positioning frame (3) and the second positioning frame (4) by screws. The telescopic end of the third electric push rod (13) is fixedly connected to the second clamping plate (12).

4. The frame welding positioning device according to claim 1, characterized in that: The inner wall of the telescopic cavity (14) is provided with a third sliding groove (17), and the top plate (15) is provided with a first sliding strip (18) on both sides. There are two first sliding strips (18), and the first sliding strips (18) are fixedly connected to the top plate (15). One end of the first sliding strip (18) extends into the interior of the third sliding groove (17), and the first sliding strip (18) is slidably connected to the base (1).

5. The frame welding positioning device according to claim 1, characterized in that: The inner sides of the first positioning frame (3) and the second positioning frame (4) are provided with U-shaped frames (7), and a first electric push rod (8) is provided below the U-shaped frame (7). The main body of the first electric push rod (8) is connected to the first positioning frame (3) and the second positioning frame (4) by screws, and the telescopic end of the first electric push rod (8) is fixedly connected to the U-shaped frame (7).

6. The frame welding positioning device according to claim 5, characterized in that: The inner side of the U-shaped frame (7) is provided with a first clamping plate (9). There are two first clamping plates (9). A second electric push rod (10) is provided on one side of each of the two first clamping plates (9). The two ends of the second electric push rod (10) are fixedly connected to the U-shaped frame (7) and the first clamping plate (9) respectively.

7. A frame welding positioning device according to claim 5, characterized in that: The inner walls of the first positioning frame (3) and the second positioning frame (4) are provided with a second sliding groove (11). The two sides of the U-shaped frame (7) are provided with a second sliding strip (21). There are two second sliding strips (21), and the second sliding strips (21) are fixedly connected to the U-shaped frame (7). One end of the second sliding strip (21) extends into the interior of the second sliding groove (11), and the second sliding strip (21) is slidably connected to the first positioning frame (3) and the second positioning frame (4).

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