Positioning and clamping structure and method for end socket assembly automatic welding workstation

Abstract

The invention discloses a positioning and clamping structure and method for an end socket assembly automatic welding workstation, and belongs to the technical field of end socket assembly clamps. The device comprises an X-axis overturning supporting base and a Y-axis rotating supporting base, and a locking mechanism is arranged on the upper surface of the Y-axis rotating supporting base; the locking mechanism comprises a base; a plurality of sets of positioning clamping groove assemblies are arranged on the base at intervals. The position of the end socket assembly can be well limited to facilitate welding, the whole positioning and clamping structure has a two-axis rotating function, welding can be achieved by adjusting various angles in the actual welding process, the welding seam quality is improved, full-automatic operation is achieved in the whole process, manual observation is not needed, and the welding efficiency is improved. The working efficiency is improved, meanwhile, the requirement for the technical level of operators is lowered, the proportion of unqualified products is reduced, and the whole device is simple in structure, low in improvement cost and suitable for large-scale production.

Description

Technical Field

[0001] The invention relates to the technical field of head assembly clamps, and more specifically to a positioning clamping structure and method for a head assembly automatic welding workstation. Background Art

[0002] A head is a component used to seal the end of a container to isolate the internal and external media, also known as an end cover. It can ensure strength and meet the needs of safe use. At the same time, the head can be applied to different tanks, boxes and other objects. However, in the current existing technology, during the processing and welding of the head, the positioning of the head is only guaranteed by manual clamping. The head group has many welding points, the manual welding speed is slow, the weld quality is uneven, and the overall volume of the head is large. There is a lack of a suitable clamp to clamp and support it, which leads to low overall efficiency during production. Products of different specifications and models require different specifications of tooling for clamping, which increases the technical requirements of operators while reducing work efficiency. At the same time, it increases the proportion of unqualified products, which is not conducive to large-scale production. Summary of the invention

[0003] 1. Technical problem to be solved by the invention

[0004] In view of the defects and shortcomings of the prior art, the present invention provides a positioning and clamping structure and method for an automatic welding workstation for a head assembly. The present invention can well limit the position of the head assembly to facilitate welding by improving the locking mechanism. The entire positioning and clamping structure has a 2-axis rotation function, and various angles can be adjusted to achieve welding during the actual welding process, thereby improving the quality of the weld. The entire process is fully automatic and does not require manual observation. While improving work efficiency, it reduces the technical level requirements for operators and reduces the proportion of unqualified products. The entire device has a simple structure and low improvement cost, and can be suitable for large-scale production.

[0005] 2. Technical solution

[0006] In order to achieve the above object, the technical solution provided by the present invention is:

[0007] A positioning clamping structure for an automatic welding workstation of a head assembly of the present invention comprises an X-axis flip support base and a Y-axis rotation support base, wherein a Y-axis rotation support base is arranged on the top of the X-axis flip support base, and a locking mechanism is arranged on the upper surface of the Y-axis rotation support base;

[0008] The locking mechanism comprises a base, a guide rail is mounted on the base, a slider is mounted on the surface of the guide rail, a clamping block mounting plate is fixedly mounted on the slider, a clamping block positioning bracket is fixedly arranged on the clamping block mounting plate, and a nylon positioning block is mounted on the top of the clamping block positioning bracket;

[0009] A motor reducer is installed at the center of the base, the output teeth of the motor reducer cooperate with the bevel gear, a ball screw is arranged at the center of the bevel gear, a screw nut seat is arranged on the surface of the ball screw, and the clamping block mounting plate is fixed on the screw nut seat by bolts;

[0010] A plurality of groups of positioning slot assemblies are arranged at intervals on the base, and the positioning slot assemblies are used to support the head assembly.

[0011] Furthermore, the X-axis flip support base can drive the Y-axis rotation support base to flip 90° as a whole, and the Y-axis rotation support base can rotate 360° along its own axis.

[0012] Furthermore, the guide rails are provided in multiple groups, and the multiple groups of guide rails are arranged at equal intervals with the center of the base as the axis, and each group of guide rails is equipped with a sliding block, a clamping block mounting plate, and a clamping block positioning bracket.

[0013] Furthermore, the bevel gears are provided in multiple groups, and the multiple groups of bevel gears are meshed with the output teeth of the motor reducer.

[0014] Furthermore, the guide rails are fixedly mounted on the base by bolts, and the positioning slot assembly is arranged between two adjacent groups of guide rails.

[0015] Further, the positioning slot assembly includes a longitudinal support, a first transverse support is arranged on the top of the longitudinal support, a second transverse support is connected to the front end of the first transverse support, the first transverse support and the second transverse support have a height difference, a supporting groove is arranged between the upper surfaces of the first transverse support and the second transverse support, and the bottom of the second transverse support is connected to the longitudinal support through a diagonal brace;

[0016] An induction switch is installed on the side of the longitudinal support. When the head assembly is hoisted onto the positioning slot assembly, the induction switch senses the head assembly, the motor reducer automatically works, drives the ball screw to operate, and clamps the head assembly.

[0017] Furthermore, the clamping block mounting plate is fixed to the slider by bolts, the clamping block positioning bracket is fixed to the clamping block mounting plate by bolts, and the nylon positioning block is fixed to the top of the clamping block positioning bracket by bolts.

[0018] Furthermore, the nylon positioning block is in an inverted trapezoidal shape, and the nylon positioning block is installed on the inner side of the top end of the clamping block positioning bracket.

[0019] Furthermore, a head positioning rod fixing seat is installed on the plate surface of the clamping block mounting plate, and a head positioning rod is installed on the top of the head positioning rod fixing seat.

[0020] A method for positioning and clamping structure of an automatic welding workstation for a head assembly, hoisting the head to a groove of corresponding specifications on a positioning slot assembly, rotating the head so that its legs contact the head positioning rod, the induction switch detects the product and gets signal feedback, the motor reducer starts to operate, driving the clamping block positioning bracket and the nylon positioning block to move horizontally with the ball screw, the nylon positioning block contacts the head surface and clamps, the motor reducer stops working, and the robot starts welding.

[0021] 3. Beneficial effects

[0022] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0023] The present invention improves the locking mechanism, so as to better limit the position of the head assembly for the convenience of welding. The entire positioning and clamping structure has a two-axis rotation function, and various angles can be adjusted to achieve welding during the actual welding process, thereby improving the quality of the weld. The entire process is fully automatic and does not require manual observation, which improves work efficiency while reducing the technical requirements for operators and the proportion of unqualified products. The entire device has a simple structure and low improvement cost, and is suitable for large-scale production. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is the overall structure diagram of the present invention;

[0025] Figure 2 is a cross-sectional view of the present invention;

[0026] Figure 3 It is a structural diagram of the locking mechanism of the present invention;

[0027] Figure 4 It is a partial connection relationship diagram of the motor reducer of the present invention;

[0028] Figure 5 This is a structural diagram of the positioning slot assembly of the present invention;

[0029] Figure 6 It is an enlarged view of the clamping block positioning bracket of the present invention;

[0030] Figure 7 This is a diagram showing the clamping effect of the head assembly of the present invention.

[0031] In the figure: 1. X-axis flip support base; 2. Y-axis rotation support base; 3. Locking mechanism; 301. Base; 302. Guide rail; 303. Slider; 304. Clamping block mounting plate; 305. Ball screw; 306. Motor reducer; 307. Bevel gear; 308. Positioning slot assembly; 3081. Longitudinal support; 3082. First lateral support; 3083. Second lateral support; 3084. Supporting groove; 3085. Diagonal brace; 309. Nylon positioning block; 310. Clamping block positioning bracket; 311. Screw nut seat; 312. Induction switch; 313. Head positioning rod fixing seat; 314. Head positioning rod. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0033] Example 1

[0034] from Figure 1-2 It can be seen that the positioning and clamping structure for the automatic welding workstation of the head assembly of the present embodiment comprises an X-axis flip support base 1 and a Y-axis rotation support base 2, the top of the X-axis flip support base 1 is provided with a Y-axis rotation support base 2, and the upper surface of the Y-axis rotation support base 2 is provided with a locking mechanism 3; the X-axis flip support base 1 can drive the Y-axis rotation support base 2 to flip 90° as a whole, and the Y-axis rotation support base 2 can rotate 360° along its own axis;

[0035] from Figure 3-7 It can be seen that the locking mechanism 3 includes a base 301, a guide rail 302 is installed on the base 301, a slider 303 is installed on the surface of the guide rail 302, a clamping block mounting plate 304 is fixedly installed on the slider 303, a clamping block positioning bracket 310 is fixedly arranged on the clamping block mounting plate 304, and a nylon positioning block 309 is installed on the top of the clamping block positioning bracket 310; the nylon positioning block 309 can reduce the friction with the head assembly to avoid collision;

[0036] The guide rails 302 are fixedly mounted on the base 301 by bolts. There are multiple groups of guide rails 302, which are arranged at equal intervals with the center of the base 301 as the axis. Each group of guide rails 302 is equipped with a slider 303, a clamping block mounting plate 304, and a clamping block positioning bracket 310;

[0037] A motor reducer 306 is installed at the center of the base 301. The output teeth of the motor reducer 306 cooperate with the bevel gear 307. Figure 4It can be seen that there are multiple groups of bevel gears 307, which mesh with the output teeth of the motor reducer 306; a ball screw 305 is arranged at the center of the bevel gear 307, a screw nut seat 311 is arranged on the surface of the ball screw 305, and the clamping block mounting plate 304 is fixed on the screw nut seat 311 by bolts;

[0038] from Figure 6 It can be seen that the clamping block mounting plate 304 is fixed to the slider 303 by bolts, the clamping block positioning bracket 310 is fixed to the clamping block mounting plate 304 by bolts, and the nylon positioning block 309 is fixed to the top of the clamping block positioning bracket 310 by bolts; the nylon positioning block 309 is in an inverted trapezoidal shape, and the nylon positioning block 309 is installed on the inner side of the top of the clamping block positioning bracket 310;

[0039] A plurality of positioning slot assemblies 308 are arranged at intervals on the base 301. Figure 7 It can be seen that the positioning slot assembly 308 is used to support the head assembly.

[0040] The head assembly comprises a head, and the convex surface of the head is provided with legs;

[0041] from Figure 5 It can be seen that the positioning slot assembly 308 is arranged between two adjacent groups of guide rails 302, and the positioning slot assembly 308 includes a longitudinal support 3081, a first transverse support 3082 is arranged on the top of the longitudinal support 3081, a second transverse support 3083 is connected to the front end of the first transverse support 3082, the first transverse support 3082 and the second transverse support 3083 have a height difference, a supporting groove 3084 is arranged between the upper surfaces of the first transverse support 3082 and the second transverse support 3083, and the bottom of the second transverse support 3083 is connected to the longitudinal support 3081 through a diagonal support 3085;

[0042] The positioning slot assembly 308 can be adapted to different specifications and models of head assemblies, and has universality and applicability. At the same time, the supporting slot 3084 has a limiting effect while supporting, and can simultaneously improve the clamping effect;

[0043] An induction switch 312 is installed on the side of the longitudinal support 3081. When the head assembly is hoisted onto the positioning slot assembly 308, the induction switch 312 senses the head assembly, and the motor reducer 306 automatically works to drive the ball screw 305 to operate and clamp the head assembly.

[0044] A head positioning rod fixing seat 313 is installed on the plate surface of the clamping block mounting plate 304 , and a head positioning rod 314 is installed on the top of the head positioning rod fixing seat 313 .

[0045] A method for positioning and clamping structure of an automatic welding workstation for a head assembly is provided. The head is hoisted to a groove of corresponding specifications on a positioning slot assembly 308, and the head is rotated so that its legs contact the head positioning rod 314. The induction switch 312 detects the product and obtains signal feedback. The motor reducer 306 starts to operate and drives the clamping block positioning bracket 310 and the nylon positioning block 309 to translate into place along with the ball screw 305. The nylon positioning block 309 contacts the surface of the head and clamps it. The motor reducer 306 stops working, and the robot starts welding.

[0046] The present invention improves the locking mechanism 3, so as to better limit the position of the head assembly for the convenience of welding. The entire positioning and clamping structure has a two-axis rotation function. Various angles can be adjusted during the actual welding process to achieve welding, thereby improving the quality of the weld. The entire process is fully automatic and does not require manual observation. While improving work efficiency, it reduces the technical requirements for operators and reduces the proportion of unqualified products. The entire device has a simple structure and low improvement cost, and is suitable for large-scale production.

[0047] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

Claims

1. A positioning and clamping structure for an automatic welding workstation for a head assembly, comprising an X-axis flip support base (1) and a Y-axis rotation support base (2), characterized in that: A Y-axis rotation support base (2) is arranged on the top of the X-axis flip support base (1), and a locking mechanism (3) is arranged on the upper surface of the Y-axis rotation support base (2); The locking mechanism (3) comprises a base (301), a guide rail (302) is mounted on the base (301), a slider (303) is mounted on the surface of the guide rail (302), a clamping block mounting plate (304) is fixedly mounted on the slider (303), a clamping block positioning bracket (310) is fixedly arranged on the clamping block mounting plate (304), and a nylon positioning block (309) is mounted on the top of the clamping block positioning bracket (310); A motor reducer (306) is installed at the center of the base (301), the output teeth of the motor reducer (306) cooperate with the bevel gear (307), a ball screw (305) is arranged at the center of the bevel gear (307), a screw nut seat (311) is arranged on the surface of the ball screw (305), and the clamping block mounting plate (304) is fixed on the screw nut seat (311) by bolts; A plurality of groups of positioning slot assemblies (308) are arranged at intervals on the base (301), and the positioning slot assemblies (308) are used to support the head assembly.

2. A positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 1, characterized in that: The X-axis flip support base (1) can drive the Y-axis rotation support base (2) to flip 90 degrees as a whole, and the Y-axis rotation support base (2) can rotate 360 ​​degrees along its own axis.

3. The positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 1 is characterized in that: The guide rails (302) are provided in multiple groups, and the multiple groups of guide rails (302) are arranged at equal intervals with the center of the base (301) as the axis. Each group of guide rails (302) is equipped with a slider (303), a clamping block mounting plate (304), and a clamping block positioning bracket (310).

4. A positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 3, characterized in that: The bevel gears (307) are provided in multiple groups, and the multiple groups of bevel gears (307) are meshed with the output teeth of the motor reducer (306) together.

5. The positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 4, characterized in that: The guide rails (302) are fixedly mounted on the base (301) by means of bolts, and the positioning slot assembly (308) is arranged between two adjacent groups of guide rails (302).

6. A positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 5, characterized in that: The positioning slot assembly (308) comprises a longitudinal support (3081), a first transverse support (3082) is arranged on the top of the longitudinal support (3081), a second transverse support (3083) is connected to the front end of the first transverse support (3082), the first transverse support (3082) and the second transverse support (3083) have a height difference, a supporting groove (3084) is arranged on the upper surface of the first transverse support (3082) and the second transverse support (3083), and the bottom of the second transverse support (3083) is connected to the longitudinal support (3081) through a diagonal support (3085); The side of the longitudinal support (3081) is equipped with an induction switch (312). When the head assembly is hoisted onto the positioning slot assembly (308), the induction switch (312) senses the head assembly, and the motor reducer (306) automatically works to drive the ball screw (305) to operate and clamp the head assembly.

7. A positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 6, characterized in that: The clamping block mounting plate (304) is fixed to the slider (303) by bolts, the clamping block positioning bracket (310) is fixed to the clamping block mounting plate (304) by bolts, and the nylon positioning block (309) is fixed to the top of the clamping block positioning bracket (310) by bolts.

8. The positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 7, characterized in that: The nylon positioning block (309) is in the shape of an inverted trapezoid, and the nylon positioning block (309) is installed on the inner side surface of the top end of the clamping block positioning bracket (310).

9. The positioning and clamping structure for an automatic welding workstation of a head assembly according to claim 8, characterized in that: A head positioning rod fixing seat (313) is installed on the plate surface of the clamping block mounting plate (304), and a head positioning rod (314) is installed on the top of the head positioning rod fixing seat (313).

10. A method for positioning and clamping a structure for an automatic welding workstation of a head assembly according to claim 9, characterized in that: The end cap is hoisted to the groove of corresponding specifications on the positioning slot assembly (308), and the end cap is rotated so that its legs contact the end cap positioning rod (314). The induction switch (312) detects the product and obtains signal feedback. The motor reducer (306) starts to operate and drives the clamping block positioning bracket (310) and the nylon positioning block (309) to move into place along with the ball screw (305). The nylon positioning block (309) contacts the end cap surface and clamps it. The motor reducer (306) stops working and the robot starts welding.

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