Double-shaft bottom reverse screwing type tightening module

Abstract

The utility model is suitable for the technical field of stud tightening devices, and provides a double-shaft bottom reverse-screwing type tightening module which comprises an up-down moving assembly, the up-down moving assembly is provided with a first sliding block and a second sliding block, an adsorption assembly is installed on one side of the second sliding block, a tightening assembly is arranged at the bottom end of the adsorption assembly, and the first sliding block and the second sliding block are oppositely arranged. The tightening assembly is fixedly connected with the first sliding block, two door control mechanisms are arranged on the side, away from the tightening assembly, of the adsorption assembly, blowing pipes are arranged on one sides of the door control mechanisms, and air pressure detection devices are arranged on the two sides of the up-down moving assembly. Wherein the adsorption assembly comprises a vacuum suction pipe mounting base, the vacuum suction pipe mounting base is connected with the second sliding block, and the top end of the vacuum suction pipe mounting base is fixedly connected with two sets of vacuum nail suction pipes. The device solves the problem that a reverse screwing type tightening module needs an additional clamping device to fix a stud, and achieves the effects of avoiding cost increase and improving equipment stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to stud tightening device technical field, more specifically, it relates to a double -shaft bottom upside -down screwing type tightening module. BACKGROUND

[0002] In the field of automobile manufacturing, upside-down screwing device as a special tightening tool, mainly applied to instrument panel fixing, chassis connection and other key processes. Unlike ordinary upright tightening device, upside-down screwing device needs to operate from the bottom of the workpiece, and this special working mode makes it face unique technical challenges in design and application. Among them, the most important challenge is that the stud is prone to tilt and fall off after being blown into the device from the side, which affects the assembly efficiency and quality.

[0003] At present, in order to solve the problem of stud tilt and fall off, the clamping device is usually used to fix after blowing, and further adsorption and tightening are carried out through the adsorption assembly. Although this method can improve the stability of the stud to a certain extent, it also brings additional cost burden, including the manufacturing cost of clamping device, installation and debugging cost and maintenance cost. In addition, the complex structure may also increase the failure rate of the equipment and reduce the production efficiency.

[0004] Therefore, a double-shaft bottom upside-down screwing type tightening module is proposed to solve the above problems and realize the function of low-cost and efficient upside-down screwing of stud. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a double-shaft bottom upside-down screwing type tightening module which avoids cost increase and improves equipment stability.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A double-shaft bottom upside-down screwing type tightening module, comprising an up-down moving assembly, the up-down moving assembly has a first sliding block and a second sliding block, the second sliding block is provided with an adsorption assembly on one side, the adsorption assembly is provided with a tightening assembly at the bottom end, the tightening assembly is fixedly connected with the first sliding block, the adsorption assembly is provided with two sets of door control mechanisms on the side away from the tightening assembly, the door control mechanism is provided with a blowing pipe on one side, and the up-down moving assembly is provided with a gas pressure detection device on both sides.

[0008] By adopting the above technical scheme, high-pressure air is continuously blown into the blowing pipe until the adsorption assembly adsorbs the stud and stops blowing, thereby reducing the increase of cost.

[0009] The utility model further sets up: the vacuum suction nail pipe includes the pole body, the pole body is cylindrical structure, the pole body is close to the through groove that sets up in the one side of vacuum suction pipe mounting base, the through groove is with pole body coaxial heart setting, the pole body is far from the one side that sets up in the adsorption groove of vacuum suction pipe mounting base, the adsorption groove is with through groove coaxial heart setting, the diameter of adsorption groove is less than the diameter of through groove, through groove and adsorption groove intercommunication setting.

[0010] The utility model further sets up: the adsorption groove inner wall is close to the one side that sets up in the multiple groups of airflow groove of blowing pipe, the adsorption groove inner wall is close to the multiple groups of abutment groove that sets up in the one side of blowing pipe, airflow groove and abutment groove staggered setting.

[0011] Through adopting above-mentioned technical scheme, abutment groove and airflow groove adsorb the stud and carry out rough positioning, avoid the problem that stud is inclined or falls off, improve equipment stability.

[0012] The utility model further sets up: the tightening assembly includes the mounting bracket, the mounting bracket is connected with first sliding block, the mounting bracket is far from the one side that sets up in adsorption assembly two groups of electric screwdriver, electric screwdriver output is provided with connecting rod, the connecting rod is far from the one side that sets up in electric screwdriver screwdriver.

[0013] The utility model further sets up: connecting rod, screwdriver are inserted in the inside of vacuum suction nail pipe.

[0014] Summarized above, the present application includes following at least one beneficial technical effect:

[0015] 1, through abutment groove and airflow groove adsorb the stud and carry out rough positioning, avoid the problem that stud is inclined or falls off, improve equipment stability.

[0016] 2, through continuously blowing high pressure air in blowing pipe, until adsorption assembly adsorbs the stud and stops blowing, reduce the increase of cost. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model double axle bottom inverted twist type tightening module.

[0018] Figure 2 It is the structure schematic drawing of adsorption assembly in the utility model.

[0019] Figure 3 It is the structure schematic drawing of tightening assembly in the utility model.

[0020] Figure 4 It is the partial section view of vacuum suction nail pipe in the utility model.

[0021] Explanation of reference signs: 1, up-down moving assembly; 11, sliding rail; 12, first air cylinder; 13, second air cylinder; 14, first sliding block; 15, second sliding block;

[0022] 2, adsorption assembly; 21, vacuum suction pipe mounting seat; 22, vacuum suction pipe; 221, rod body; 222, flow-through groove; 223, adsorption groove; 224, air flow groove; 225, abutment groove;

[0023] 3, tightening assembly; 31, mounting frame; 32, electric screwdriver; 33, connecting rod; 34, screwdriver bit;

[0024] 4, door control mechanism;

[0025] 5, blowing pipe;

[0026] 6, air pressure detection device. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] Embodiment one, please refer to Figures 1-4 The present application provides the following technical solutions:

[0030] Specifically refers to a double-shaft bottom inverted screwing module, please refer to Figure 1 , comprising an up-down moving assembly 1, the up-down moving assembly 1 has a sliding rail 11, a first air cylinder 12, a second air cylinder 13, a first sliding block 14 and a second sliding block 15, the sliding rail 11 limits the moving direction of the first sliding block 14 and the second sliding block 15, the first air cylinder 12 drives the first sliding block 14 to move, the second air cylinder 13 drives the first sliding block 14 and the second sliding block 15 to move, the second sliding block 15 has an adsorption assembly 2 installed on one side, the adsorption assembly 2 is used for adsorbing a stud, the adsorption assembly 2 is provided with a tightening assembly 3 at the bottom end, the tightening assembly 3 is fixedly connected with the first sliding block 14, the tightening assembly 3 is used for tightening the stud, two groups of door control mechanisms 4 are arranged on the side of the adsorption assembly 2 away from the tightening assembly 3, the door control mechanisms 4 are used for abutting against the stud to avoid the stud being blown out of the device, a blowing pipe 5 is arranged on one side of the door control mechanism 4, the blowing pipe 5 is used for blowing the stud into the inside of the door control mechanism 4, continuously blowing against the stud to avoid the stud from falling off before being adsorbed by the adsorption assembly 2 and the tightening assembly 3, air pressure detection devices 6 are arranged on both sides of the up-down moving assembly 1, the air pressure detection devices 6 are used for detecting whether the adsorption assembly 2 and the tightening assembly 3 adsorb the stud.

[0031] With reference to Figures 2-3 , the adsorption assembly 2 comprises a vacuum suction pipe mounting seat 21 connected with the second sliding block 15, and two groups of vacuum suction nail pipes 22 are fixedly connected to the top end of the vacuum suction pipe mounting seat 21, and the vacuum suction pipe mounting seat 21 is in communication with the vacuum suction nail pipes 22. The vacuum suction nail pipe 22 comprises a rod body 221 in a cylindrical structure, a flow-through groove 222 is formed in the side close to the vacuum suction pipe mounting seat 21 of the rod body 221, the flow-through groove 222 is coaxially arranged with the rod body 221, an adsorption groove 223 is formed in the side away from the vacuum suction pipe mounting seat 21 of the rod body 221, the adsorption groove 223 is coaxially arranged with the flow-through groove 222, the diameter of the adsorption groove 223 is smaller than that of the flow-through groove 222, and the flow-through groove 222 is in communication with the adsorption groove 223. A plurality of air flow grooves 224 are formed in the inner wall of the adsorption groove 223 around the axis, a plurality of abutting grooves 225 are formed in the inner wall of the adsorption groove 223 close to the blowing pipe 5, the outer wall of the stud is not larger than the diameter at which the abutting groove 225 is formed, the abutting groove 225 forms a platform on the side close to the flow-through groove 222, and the air flow grooves 224 and the abutting grooves 225 are arranged alternately.

[0032] Specifically, the vacuum suction pipe mounting seat 21 is affected by external compressed air, the inside of the vacuum suction nail pipe 22 is in a negative pressure state, air flows from the bottom end of the stud to the side of the flow-through groove 222, the stud is affected by the suction force and moves close to the vacuum suction nail pipe 22, and the outer wall of the stud abuts against the platform of the abutting groove 225, so that coarse positioning is realized. Even if the stud is not aligned with the tightening assembly 3, the stud can also be adsorbed by the abutting groove 225 and the air flow groove 224, so as to avoid the situation that the stud is inclined or falls off, and the stability of the equipment is improved.

[0033] With reference to Figure 4 , the tightening assembly 3 comprises a mounting frame 31 connected with the first sliding block 14, and two groups of electric screwdrivers 32 are arranged on the side away from the adsorption assembly 2 of the mounting frame 31, a connecting rod 33 is arranged on the output end of the electric screwdriver 32, and a screwdriver bit 34 is arranged on the side away from the electric screwdriver 32 of the connecting rod 33. The connecting rod 33 and the screwdriver bit 34 are inserted into the inside of the vacuum suction nail pipe 22.

[0034] By aligning the screwdriver bit 34 with the stud, the electric screwdriver 32 is driven to rotate the connecting rod 33 and the screwdriver bit 34, so as to tighten the stud.

[0035] In use, the stud is blown upward from the blowing pipe 5, after the stud reaches the inside of the door control mechanism 4 and abuts against the door control clamping jaw at the top end of the door control mechanism 4, the blowing pipe 5 continues to blow high-pressure air, the first air cylinder 12 is driven to move the first sliding block 14 upward, thereby moving the tightening assembly 3 as a whole upward, when the screwdriver bit 34 approaches the stud, a negative pressure state is formed inside the vacuum nail suction pipe 22, air flows from the lower part of the stud to the inner wall of the air flow groove 224 and the outer wall of the connecting rod 33, thereby being separated, when the first air cylinder 12 reaches the extension limit and the air pressure detection device 6 detects that the stud has been adsorbed, the blowing of high-pressure air of the blowing pipe 5 is stopped, the negative pressure inside the vacuum nail suction pipe 22 is maintained, the opening clamping jaw of the door control mechanism 4 is driven to open, the second air cylinder 13 is started to move the adsorption assembly 2 and the tightening assembly 3 on the first sliding block 14 and the second sliding block 15 to extend upward together, until the stud reaches below the workpiece, the electric screwdriver 32 is started to drive the connecting rod 33 and the screwdriver bit 34 to rotate, at this time, even if the stud is not aligned with the screwdriver bit 34, when the screwdriver bit 34 rotates by a certain angle, the stud will be automatically aligned with the screwdriver bit 34, then the stud is continuously rotated and tightened, the stud tightening tool in the area difficult for personnel to reach is realized, manual operation is avoided, the production efficiency is improved, and the danger is reduced.

[0036] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A dual-axis bottom-tightening tightening module, characterized in that: The device includes a vertical moving assembly (1), which has a first slider (14) and a second slider (15). An adsorption assembly (2) is installed on one side of the second slider (15). A tightening assembly (3) is provided at the bottom of the adsorption assembly (2). The tightening assembly (3) is fixedly connected to the first slider (14). Two sets of gate control mechanisms (4) are provided on the side of the adsorption assembly (2) away from the tightening assembly (3). A blowing pipe (5) is provided on one side of the gate control mechanism (4). Air pressure detection devices (6) are provided on both sides of the vertical moving assembly (1). The adsorption component (2) includes a vacuum suction tube mounting base (21), which is connected to the second slider (15). Two sets of vacuum suction tubes (22) are fixedly connected to the top of the vacuum suction tube mounting base (21).

2. The dual-axis bottom-tightening tightening module according to claim 1, characterized in that: The vacuum suction tube (22) includes a rod body (221), which is a cylindrical structure. A flow groove (222) is provided on the side of the rod body (221) near the vacuum suction tube mounting base (21). The flow groove (222) is coaxially arranged with the rod body (221). An adsorption groove (223) is provided on the side of the rod body (221) away from the vacuum suction tube mounting base (21). The adsorption groove (223) is coaxially arranged with the flow groove (222). The diameter of the adsorption groove (223) is smaller than the diameter of the flow groove (222). The flow groove (222) and the adsorption groove (223) are connected.

3. A dual-axis bottom-tightening tightening module according to claim 2, characterized in that: The inner wall of the adsorption tank (223) is provided with multiple sets of airflow grooves (224) around the axis, and the inner wall of the adsorption tank (223) is provided with multiple sets of abutment grooves (225) on the side near the blowing pipe (5). The airflow grooves (224) and abutment grooves (225) are arranged alternately.

4. A dual-axis bottom-tightening tightening module according to claim 1, characterized in that: The tightening assembly (3) includes a mounting bracket (31), which is connected to the first slider (14). Two sets of electric screwdrivers (32) are provided on the side of the mounting bracket (31) away from the adsorption assembly (2). A connecting rod (33) is provided at the output end of the electric screwdriver (32), and a screwdriver bit (34) is provided on the side of the connecting rod (33) away from the electric screwdriver (32).

5. A dual-axis bottom-tightening tightening module according to claim 4, characterized in that: The connecting rod (33) and screwdriver bit (34) are inserted into the vacuum nail suction tube (22).

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