Pneumatic screw locking machine

Abstract

The utility model discloses a pneumatic screw locking machine which comprises an electric screwdriver, a main support is installed at the tail end of the electric screwdriver, a pen-shaped air cylinder and an air cylinder are installed on the main support, the output end of the pen-shaped air cylinder is connected with a clamping mouth fixing block, the clamping mouth fixing block is connected with a clamping mouth, the clamping mouth is sleeved on a suction pipe, and the rear end of a screwdriver head of the electric screwdriver penetrates through the suction pipe. A sealing ring is arranged between the rear end of the suction pipe and the screwdriver head, the rear end of the suction pipe is installed on the suction pipe installation block, the suction pipe is provided with a vent hole, the suction pipe installation block is provided with a connector hole corresponding to the vent hole, a connector is installed at the position of the connector hole, and the output end of the air cylinder is connected with the suction pipe installation block. The use is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw tightening technical field, specifically a pneumatic screw lock machine. BACKGROUND

[0002] In the process of installing parts, it is necessary to use screws for installation, for example, the installation between automobile parts mostly needs screws for connection and positioning, and in the production line, because the amount of processed products is large, a lock machine is generally used for installation, screws are added into the lock machine, and the lock machine is used to drive the screws into the threaded holes of the parts.

[0003] At present, the common lock machine is magnetic type, because the length of the bit of the lock machine is limited, when the bit is stretched to a certain length, the magnetic force of the bit is not enough, the screw cannot be locked, and the screw falls off in the process of stretching the bit, thereby affecting use, therefore, the pneumatic screw lock machine is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pneumatic screw lock machine, ensuring screw locking, improving the locking effect of the screw, and meeting use.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that

[0006] The utility model discloses a pneumatic screw lock machine, including electric bit, the tail end of electric bit is installed with main support, the pen shape air cylinder and air cylinder are installed on the main support, the output end of pen shape air cylinder is connected with the mouthpiece fixed block, the mouthpiece fixed block is connected with the mouthpiece, the mouthpiece is covered on the straw, the tail end of electric bit is through the straw, the rear end of straw is equipped with the sealing ring between the bit, the rear end of straw is installed on the straw mounting block, straw is equipped with the air hole, straw mounting block is equipped with the joint hole corresponding with the air hole, the joint hole is installed the joint, the output end of air cylinder is connected with straw mounting block.

[0007] Further, the straw mounting block and the air cylinder are connected through the air cylinder connecting block, the air cylinder connecting block is equipped with two waist-shaped holes, the tail end of the straw mounting block is connected with the waist-shaped hole of the air cylinder connecting block through the bolt.

[0008] Further, the tail end of the mouthpiece fixed block is installed with the air cylinder fixed block, and the air cylinder fixed block is connected with the output end of the pen shape air cylinder.

[0009] Further, the lower end of the air cylinder fixed block is provided with a pen shape air cylinder mounting hole and an open slit, and the pen shape air cylinder mounting hole and the open slit are communicated; the upper end of the air cylinder fixed block is provided with a protrusion, the front end of the mouthpiece fixed block is provided with a clamping groove, the protrusion is clamped in the clamping groove, and the clamping groove on the two sides of the mouthpiece fixed block and the protrusions on the two sides of the air cylinder fixed block are connected through the bolt.

[0010] Further, the straw comprises a straw body and a straw mouth, the rear end of the straw body is installed on the straw mounting block, the straw mouth is installed on the front end of the straw body, and a plurality of circumferentially distributed air grooves are arranged in the straw mouth.

[0011] Further, the front end of the straw body is provided with a straw mouth mounting groove, the rear end of the straw mouth is installed at the straw mouth mounting groove, the front end of the straw mouth is provided with a screw placing groove, and the air grooves are located at the rear end of the screw placing groove.

[0012] The utility model discloses the beneficial effect is:

[0013] The utility model discloses utilize bolt nut, positioning pin axle, round key and the connecting block of connecting and coupling upper frame body, lower frame body and rear frame body, and bolt nut is the traditional connection fixed mode, and the connecting structure is simple, and the dismounting is convenient, and the easy replacement of damage, but the rack is the important component for the bearing of hard rock tunneling machine, and is the load of bearing from cutting, walking, loading and unloading, if only bolt nut connection, bolt needs to bear shearing force and tensile force, like this can make the service life of bolt greatly reduce, and easily cause bolt fracture and so on, therefore, the utility model uses positioning pin axle and round key to bear the shearing force from lower frame body and rear frame body, simultaneously, positioning pin axle and round key have the effect of installation positioning. The connecting block can reduce the tensile force that the connecting bolt bears, guarantee the stable installation structure of lower frame body and rear frame body, improve the service life of bolt. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0015] Figure 1 It is the schematic diagram of the utility model.

[0016] Figure 2 It is another perspective schematic diagram of the utility model.

[0017] Figure 3 It is the plan view of the utility model.

[0018] Figure 4 It is Figure 3 It is the A-A section view of the utility model.

[0019] Figure 5 It is the schematic diagram of the mouth fixing block of the utility model.

[0020] Figure 6 It is the schematic diagram of the cylinder fixing block of the utility model.

[0021] Figure 7 It is another schematic diagram of the cylinder fixing block of the utility model.

[0022] Figure 8 It is the schematic diagram of the cylinder connecting block of the utility model.

[0023] Figure 9 It is the straw body schematic view of the utility model.

[0024] Figure 10 It is another straw body schematic view of the utility model.

[0025] Figure 11 It is the mouthpiece schematic view of the utility model.

[0026] Figure 12 It is another mouthpiece schematic view of the utility model. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0028] As shown in the figure, the utility model discloses a kind of pneumatic screw locking machine, including electric screwdriver 1, the end of electric screwdriver 1 is equipped with main support 2, pen-shaped cylinder 3 and cylinder 4 are installed on main support 2, the output end of pen-shaped cylinder 3 is connected with clamp mouth fixed block 5, clamp mouth fixed block 5 is connected with clamp mouth 6, clamp mouth 6 is sleeved on straw 7, the rear end of electric screwdriver 1 is passed through straw 7, straw 7 is equipped with sealing ring 9 between rear end and chuck 8, the rear end of straw 7 is installed in straw mounting block 10, straw 7 is equipped with air hole 701, straw mounting block 10 is equipped with with air hole corresponding joint hole, joint 11 is installed at joint hole, the output end of cylinder 4 is connected with straw mounting block 10.

[0029] When using, pen-shaped cylinder 3 drives clamp mouth 6 to slide in the foremost end of straw 7, so, first from the upper end of clamp mouth 6, i.e. placing screw 14, screw 14 will slide into clamp mouth, the clamp mouth 6 here is the gun head of similar product, such as the gun head in the application number 2015208077834, not detailed description here.

[0030] When the screw 14 enters the clamp mouth 6, air is blown into the suction pipe 7 to blow the screw to the front end of the clamp mouth 6, at this time, air blowing is stopped, then the pen-shaped cylinder 3 works to drive the clamp mouth 6 to move backward along the outer surface of the suction pipe 7, so that the rear end of the screw matches the front end of the suction pipe 7, then air is sucked from the suction pipe 7 to form negative pressure, so that the screw 14 is fastened at the front end of the suction pipe 7 and cannot fall off. Then the cylinder 4 works to drive the suction pipe 7 to move backward, the suction pipe 7 drives the screw 14 to move backward, and finally the rear end of the screw 14 matches the bit. Then the electric screwdriver 1 drives the screw 14 to rotate to complete the tightening work.

[0031] In an embodiment of the utility model, the suction pipe mounting block 10 is connected with the cylinder 4 through the cylinder connecting block 12, the cylinder connecting block 12 is equipped with two waist-shaped holes 121, and the tail end of the suction pipe mounting block 10 is connected with the waist-shaped hole 121 of the cylinder connecting block 12 through a bolt.

[0032] The positions of the suction pipe mounting block 10 and the cylinder connecting block 12 can be finely adjusted. For example, the suction pipe mounting block 10 is clamped on the suction pipe 7, and the length of the clamping bolt is adjusted to realize fine adjustment. Finally, the relative positions of the suction pipe 7 and the bit 8 can be finely adjusted. Of course, the waist-shaped hole 121 of the cylinder connecting block 12 can adjust the position of the suction pipe mounting block 10 connected with the suction pipe 7.

[0033] In an embodiment of the utility model, the tail end of the clamp mouth fixing block 5 is provided with a cylinder fixing block 13, and the cylinder fixing block 13 is connected with the output end of the pen-shaped cylinder 3.

[0034] In an embodiment of the utility model, the lower end of the cylinder fixing block 13 is provided with a pen-shaped cylinder mounting hole 131 and an open slot 132, and the pen-shaped cylinder mounting hole 131 and the open slot 132 are communicated. The upper end of the cylinder fixing block 13 is provided with a convex block 133, the front end of the clamp mouth fixing block 5 is provided with a clamping groove 51, the convex block 133 is clamped in the clamping groove 51, and the two sides of the clamping groove 51 of the clamp mouth fixing block 5 and the two sides of the convex block 133 of the cylinder fixing block are connected through a bolt. The cylinder fixing block 13 can adjust the parallelism of the clamp mouth and the pen-shaped cylinder 3 to ensure smooth movement of the clamp mouth.

[0035] In an embodiment of the utility model, the suction pipe 7 comprises a suction pipe body 71 and a suction nozzle 72, the rear end of the suction pipe body 72 is mounted on the suction pipe mounting block 10, the suction nozzle 72 is mounted on the front end of the suction pipe body 71, and a plurality of circumferentially distributed air passages 721 are arranged in the suction nozzle 72. The air passages 721 ensure that air flows through all the time to ensure negative pressure.

[0036] In an embodiment of the utility model, the front end of the suction pipe body 71 is provided with a suction nozzle mounting groove 711, the rear end of the suction nozzle 72 is mounted in the suction nozzle mounting groove 711, the front end of the suction nozzle 72 is provided with a screw placing groove 722, and the air passages 721 are located at the rear end of the screw placing groove 722. The screw 14 is adsorbed in the screw placing groove 722.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. The present application can be changed and modified in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pneumatic screw driver comprising an electric driver, characterized in that, The end of the electric drill is provided with a main support, a pen-shaped cylinder and a cylinder are installed on the main support, the output end of the pen-shaped cylinder is connected with a clamp mouth fixed block, the clamp mouth fixed block is connected with a clamp mouth, the clamp mouth is sleeved on a suction pipe, the rear end of the suction pipe is penetrated by the drill head of the electric drill, a sealing ring is arranged between the rear end of the suction pipe and the drill head, the rear end of the suction pipe is installed on a suction pipe mounting block, the suction pipe is provided with a vent hole, the suction pipe mounting block is provided with a joint hole corresponding to the vent hole, a joint is installed at the joint hole, and the output end of the cylinder is connected with the suction pipe mounting block.

2. The pneumatic screw driver machine according to claim 1, wherein The suction pipe mounting block and the cylinder are connected through a cylinder connecting block, two waist-shaped holes are arranged on the cylinder connecting block, and the end of the suction pipe mounting block is connected with the waist-shaped holes of the cylinder connecting block through bolts.

3. The pneumatic screwdriver according to claim 1, wherein The end of the clamp mouth fixed block is provided with a cylinder fixed block, and the cylinder fixed block is connected with the output end of the pen-shaped cylinder.

4. The pneumatic screwdriver according to claim 3, wherein The lower end of the cylinder fixed block is provided with a pen-shaped cylinder mounting hole and an open slot, the pen-shaped cylinder mounting hole and the open slot are communicated, the upper end of the cylinder fixed block is provided with a protrusion, the front end of the clamp mouth fixed block is provided with a clamping groove, the protrusion is clamped in the clamping groove, and the two sides of the clamping groove of the clamp mouth fixed block and the two sides of the protrusion of the cylinder fixed block are connected through bolts.

5. The pneumatic screwdriver machine according to claim 1, wherein The suction pipe comprises a suction pipe body and a suction nozzle, the rear end of the suction pipe body is installed on the suction pipe mounting block, the suction nozzle is installed at the front end of the suction pipe body, and a plurality of circumferentially distributed vent grooves are arranged in the suction nozzle.

6. The pneumatic screwdriver according to claim 5, wherein The front end of the suction pipe body is provided with a suction nozzle mounting groove, the rear end of the suction nozzle is installed at the suction nozzle mounting groove, the front end of the suction nozzle is provided with a screw placing groove, and the vent grooves are located at the rear end of the screw placing groove.

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