Quick positioning clamp for welding mine car hopper

Abstract

The utility model relates to the technical field of welding fixtures, in particular to a quick positioning fixture for welding a mine car hopper, which limits the placing position of the car hopper through a positioning device, is convenient to match with automatic positioning and placing of a wheel frame, and adsorbs and fixes the wheel frame through a lifting device. The wheel frame is placed at the fixed position of the car hopper in cooperation with the transverse moving device, the position of the wheel frame is fixed through the lifting device, the influence on the welding process caused by relative displacement between the wheel frame and the car hopper in the welding process is reduced, an operator can conduct welding conveniently through the auxiliary device, and the practicability of the device is improved; comprising a positioning device, a transverse moving device, a lifting device and an auxiliary device, the transverse moving device is installed on the positioning device, the lifting device is installed on the transverse moving device, and the auxiliary device is installed on the transverse moving device.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a quick positioning fixture for welding a mining bucket. Background Art

[0002] The mining truck body is the main component of the mining dump truck, and its design and manufacturing quality directly affect the performance and life of the mining dump truck. In the design and manufacturing process of the mining truck body, many factors need to be considered, including the material, structure, strength, durability, safety, etc. of the truck body; the mining truck body is usually welded to the wheel frame during the production process.

[0003] The Chinese utility model patent with application number CN202320799685.5 in the prior art relates to a mobile trolley bucket welding tooling, including a flipping mechanism, a positioning assembly, a clamping assembly, an external bracket, etc., which can flip the trolley for easy welding.

[0004] However, in actual use, the above device requires the operator to move the wheel frame to the truck bed, which increases the operator's labor intensity. At the same time, the position of the wheel frame on the truck bed needs to be constantly adjusted to facilitate normal welding, which reduces the production efficiency of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a quick positioning fixture for mining truck bucket welding, which limits the placement position of the truck bucket through a positioning device, facilitates the automatic positioning and placement of the wheel frame, adsorbs and fixes the wheel frame through a lifting device, and cooperates with a transverse movement device to place the wheel frame in a fixed position in the truck bucket, and fixes the position of the wheel frame through a lifting device, thereby reducing the influence of the relative displacement between the wheel frame and the truck bucket on the welding process, and facilitates the operator to perform welding through an auxiliary device, thereby improving the practicality of the device.

[0006] The utility model discloses a rapid positioning fixture for welding a mining truck body, comprising a positioning device, a transverse movement device, a lifting device and an auxiliary device, wherein the transverse movement device is mounted on the positioning device, the lifting device is mounted on the transverse movement device, and the auxiliary device is mounted on the transverse movement device; the placement position of the truck body is limited by the positioning device, so as to facilitate the automatic positioning and placement of the wheel frame; the wheel frame is adsorbed and fixed by the lifting device, and is placed in a fixed position in the truck body in cooperation with the transverse movement device; the position of the wheel frame is fixed by the lifting device, so as to reduce the influence of the relative displacement between the wheel frame and the truck body on the welding process; the auxiliary device is used to facilitate the operator to perform welding, thereby improving the practicability of the device.

[0007] Preferably, the positioning device includes a base plate, a reduction motor, an adjusting screw, a limit rod and a limit block. A plurality of groups of rectangular holes are opened on the upper end surface of the base plate, and an adjusting screw and two groups of limit rods are installed in each group of rectangular holes. The two groups of limit rods are respectively located on two horizontal sides of the adjusting screw. The limit block is connected to the adjusting screw through a nut, and the two groups of limit rods pass through the limit block. A plurality of groups of reduction motors are installed on the side surface of the base plate, and the output ends of the plurality of groups of reduction motors are respectively connected to the adjusting screws in the plurality of groups of rectangular holes. Turning on the reduction motor transmits power to the adjusting screw to drive the adjusting screw to rotate, thereby adjusting the position of the limit block on the rectangular hole of the base plate, and limiting the placement position of the plurality of limit blocks through the matching pairs between the plurality of limit blocks, so that the equipment can be quickly placed in the required position later, and limiting the movement process of the limit block by the two groups of limit rods, thereby improving the practicability and stability of the device.

[0008] Preferably, the transverse movement device includes a support frame, a reducer, an electric motor, a lead screw, a transverse movement platform and a limit sliding groove, a support frame is installed on the upper end surface of the base plate, a reducer is installed on the upper side of the support frame, the electric motor is installed on the reducer, a lead screw is horizontally installed on the top of the support frame, the output end of the reducer is connected to the lead screw, the transverse movement platform is located at the top of the support frame and is connected to the lead screw through a nut, a group of limit sliding grooves are respectively opened on the front and rear inner side surfaces of the top of the support frame, semicircular limit blocks are respectively arranged on the front and rear side surfaces of the transverse movement platform and are respectively located in the two groups of limit sliding grooves; turning on the electric motor transmits power to the lead screw through the reducer to drive the lead screw to rotate, driving the transverse movement platform to move left and right on the support frame and transport it to the desired position, and the movement process of the transverse movement platform is limited and auxiliary support is provided through the semicircular limit blocks and two groups of limit sliding grooves on the transverse movement platform, thereby reducing the vibration of the transverse movement platform during movement, improving the stability of the device, reducing the labor intensity of the operator during transportation, and reducing the time required for position adjustment.

[0009] Preferably, it also includes an anti-collision rubber strip, an inclined slope is provided on the upper part of the limit block and the side surface close to it, and an anti-collision rubber strip is provided on the side surface close to the limit block; the inclined slope on the limit block makes it easy for the limit block to slide freely when one edge of the upper end surface of the bottom plate is pressed against the upper end surface of the limit block, and the anti-collision rubber strip reduces scratches between the limit block and improves the practicality of the device.

[0010] Preferably, the lifting device includes an electric cylinder, a lifting platform, a pressure sensor and an electromagnet, and a group of electric cylinders are respectively installed on the front and rear of the upper end surface of the transverse moving platform, and the moving ends of the two groups of electric cylinders pass through the lower end surface of the transverse moving platform and extend to the lower side of the transverse moving platform and are connected to the upper end surface of the lifting platform through the pressure sensor, and an electromagnet is installed on the lifting platform; the electromagnet is used to adsorb and fix them, and when the transverse moving device is transported to the required position on the upper side, the two groups of electric cylinders are controlled to extend and placed on it, and are pressed down by the lifting platform to reduce the relative displacement between the workpieces during welding, and the pressure on the moving end of the electric cylinder is monitored by the pressure sensor, so that the pressure distribution on the lower end surface of the lifting platform is uniform, thereby improving the practicability of the device.

[0011] Preferably, the auxiliary device includes an adjustment plate, a hinge structure and an LED light board. The adjustment plate is connected to the lower end surface of the top of the electromagnet through a hinge structure, and the LED light board is installed on the inner side of the adjustment plate. The hinge structure facilitates the adjustment of the inclination angle of the adjustment plate, and the LED light board provides auxiliary lighting for the welding operator, thereby improving the practicability of the device.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the placement position of the truck bed is limited by the positioning device, which is convenient for cooperating with the automatic positioning and placement of the wheel frame, the wheel frame is adsorbed and fixed by the lifting device, and the wheel frame is placed in a fixed position in the truck bed in cooperation with the transverse movement device, and the position of the wheel frame is fixed by the lifting device, thereby reducing the influence of the relative displacement between the wheel frame and the truck bed on the welding process, and facilitating the operator to perform welding by the auxiliary device, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the first axial side structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the second axis side structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the third axis side structure of the utility model;

[0016] Figure 4 It is a first partial enlarged structural schematic diagram of the utility model;

[0017] Figure 5 It is a second partial enlarged structural schematic diagram of the utility model;

[0018] Markings in the attached drawings: 1. Base plate; 2. Reduction motor; 3. Adjustment screw; 4. Limit rod; 5. Limit block; 6. Support frame; 7. Reducer; 8. Motor; 9. Screw; 10. Transverse platform; 11. Limit sliding groove; 12. Anti-collision rubber strip; 13. Electric cylinder; 14. Lifting platform; 15. Pressure sensor; 16. Electromagnet; 17. Adjustment plate; 18. Hinge structure; 19. LED light board; 20. Cargo box; 21. Wheel frame. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The traverse device is installed on the positioning device, the lifting device is installed on the traverse device, and the auxiliary device is installed on the traverse device;

[0022] First, turn on the reduction motor 2 to transmit power to the adjusting screw 3 to drive the adjusting screw 3 to rotate, thereby adjusting the position of the limit block 5 in the rectangular hole on the bottom plate 1, and limit the placement position of the bucket through the cooperation between multiple groups of limit blocks 5, and then turn on the electromagnet 16 to adsorb and fix the pre-prepared wheel frame, and then turn on the motor 8 to transmit power to the screw 9 through the reducer 7 to drive the screw 9 to rotate, and drive the transverse platform 10 to move left and right on the support frame 6 to transport the wheel frame to the required position, and then control the two groups of electric cylinders 13 to extend to place the wheel frame on the bucket, and press the wheel frame downward through the lifting platform 14 to reduce the relative displacement between the workpieces during welding, and then start welding;

[0023] The positioning device includes a base plate 1, a reduction motor 2, an adjusting screw 3, a limiting rod 4 and a limiting block 5. A plurality of rectangular holes are opened on the upper end surface of the base plate 1. An adjusting screw 3 and two limiting rods 4 are installed in each set of rectangular holes. The two limiting rods 4 are respectively located on both horizontal sides of the adjusting screw 3. The limiting block 5 is connected to the adjusting screw 3 through a nut. The two limiting rods 4 pass through the limiting block 5. A plurality of reduction motors 2 are installed on the side of the base plate 1. The output ends of the plurality of reduction motors 2 are respectively connected to the adjusting screws 3 in the plurality of rectangular holes.

[0024] The transverse movement device includes a support frame 6, a reducer 7, a motor 8, a lead screw 9, a transverse movement platform 10 and a limit sliding groove 11. The support frame 6 is installed on the upper end surface of the bottom plate 1, the reducer 7 is installed on the upper side of the support frame 6, the motor 8 is installed on the reducer 7, the lead screw 9 is horizontally installed on the top of the support frame 6, the output end of the reducer 7 is connected to the lead screw 9, the transverse movement platform 10 is located at the top of the support frame 6 and is connected to the lead screw 9 through a nut, a group of limit sliding grooves 11 are respectively opened on the front and rear inner side surfaces of the top of the support frame 6, and semicircular limit blocks are respectively arranged on the front and rear side surfaces of the transverse movement platform 10 and are respectively located in the two groups of limit sliding grooves 11;

[0025] It also includes an anti-collision rubber strip 12, and an upper portion of a side surface of the limit block 5 close to the truck bucket is provided with an inclined slope, and an anti-collision rubber strip 12 is provided on a side surface of the limit block 5 close to the truck bucket;

[0026] The lifting device includes an electric cylinder 13, a lifting platform 14, a pressure sensor 15 and an electromagnet 16. A group of electric cylinders 13 are respectively installed on the upper end surface of the traverse platform 10, and the moving ends of the two groups of electric cylinders 13 pass through the lower end surface of the traverse platform 10 and extend to the lower side of the traverse platform 10 and are connected to the upper end surface of the lifting platform 14 through the pressure sensor 15. The lifting platform 14 is equipped with an electromagnet 16;

[0027] The auxiliary device includes an adjustment plate 17, a hinge structure 18 and an LED light board 19. The adjustment plate 17 is connected to the lower end surface of the top of the electromagnet 16 through the hinge structure 18, and the LED light board 19 is installed on the inner side of the adjustment plate 17;

[0028] The positioning device is used to limit the placement position of the truck bed, which is convenient for the automatic positioning and placement of the wheel frame. The wheel frame is adsorbed and fixed by the lifting device, and is placed in a fixed position in the truck bed in cooperation with the transverse movement device. The position of the wheel frame is fixed by the lifting device, which reduces the influence of the relative displacement between the wheel frame and the truck bed on the welding process. The auxiliary device is used to facilitate the operator to perform welding, thereby improving the practicability of the device.

[0029] The electric cylinder 13, electromagnet 16, pressure sensor 15, LED light board 19, reducer 7, electric motor 8 and reduction motor 2 of the quick positioning fixture for welding of mining truck bucket of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Quick positioning fixture for welding of mining bucket; its characteristics are: The utility model comprises a positioning device, a transverse moving device, a lifting device and an auxiliary device. The transverse moving device is installed on the positioning device, the lifting device is installed on the transverse moving device, and the auxiliary device is installed on the transverse moving device.

2. The quick positioning fixture for welding a mining truck bucket as claimed in claim 1, characterized in that: The positioning device comprises a base plate (1), a reduction motor (2), an adjusting screw (3), a limiting rod (4) and a limiting block (5); a plurality of groups of rectangular holes are opened on the upper end surface of the base plate (1); an adjusting screw (3) and two groups of limiting rods (4) are installed in each group of rectangular holes; the two groups of limiting rods (4) are respectively located on two horizontal sides of the adjusting screw (3); the limiting block (5) is connected to the adjusting screw (3) through a nut; the two groups of limiting rods (4) pass through the limiting block (5); a plurality of groups of reduction motors (2) are installed on the side surface of the base plate (1); the output ends of the plurality of groups of reduction motors (2) are respectively connected to the adjusting screws (3) in the plurality of groups of rectangular holes.

3. The quick positioning fixture for welding a mining truck bucket as claimed in claim 2, characterized in that: The transverse movement device comprises a support frame (6), a reducer (7), an electric motor (8), a lead screw (9), a transverse movement platform (10) and a limit sliding groove (11); the support frame (6) is installed on the upper end surface of the bottom plate (1); the reducer (7) is installed on the upper side of the support frame (6); the electric motor (8) is installed on the reducer (7); the lead screw (9) is installed horizontally on the top of the support frame (6); the output end of the reducer (7) is connected to the lead screw (9); the transverse movement platform (10) is located at the top of the support frame (6) and is connected to the lead screw (9) through a nut; a group of limit sliding grooves (11) are respectively opened on the front and rear inner side surfaces of the top of the support frame (6); semicircular limit blocks are respectively arranged on the front and rear side surfaces of the transverse movement platform (10) and are respectively located in the two groups of limit sliding grooves (11).

4. The quick positioning fixture for welding a mining truck bucket as claimed in claim 2, characterized in that: It also includes an anti-collision rubber strip (12); an upper portion of a side surface of the limit block (5) close to the truck bucket is provided with an inclined slope; and an anti-collision rubber strip (12) is provided on a side surface of the limit block (5) close to the truck bucket.

5. The quick positioning fixture for welding a mining truck bucket as claimed in claim 3, characterized in that: The lifting device comprises an electric cylinder (13), a lifting platform (14), a pressure sensor (15) and an electromagnet (16); a group of electric cylinders (13) are respectively installed on the upper end surface of the transverse platform (10) at the front and rear; the moving ends of the two groups of electric cylinders (13) pass through the lower end surface of the transverse platform (10) and extend to the lower side of the transverse platform (10) and are connected to the upper end surface of the lifting platform (14) through the pressure sensor (15); and the lifting platform (14) is installed with an electromagnet (16).

6. The quick positioning fixture for welding a mining truck bucket as claimed in claim 3, characterized in that: The auxiliary device comprises an adjustment plate (17), a hinge structure (18) and an LED light board (19); the adjustment plate (17) is connected to the lower end surface of the top of the electromagnet (16) via the hinge structure (18); and the LED light board (19) is installed on the inner side surface of the adjustment plate (17).

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