CN208614198U - Pre-assembled device for ratchet spanner - Google Patents

Abstract

The utility model relates to ratchet spanneres to assemble field, in particular to it is used for the pre-assembled device of ratchet spanner, including machine table and control cabinet, pre-installing fitting mechanism includes being installed at the top of machine table passing material arm, to drive the one end for passing material arm servo motor of circular-rotation and being mounted on above machine table to pass the clamping device in material arm middle section；The free end for passing material arm is equipped with feeding jig, is equipped with passive clamping component in the feeding jig；Clamping device and the transmission of passive clamping component cooperate；Aligning device, the first limiting device and the second limiting device set gradually along the direction of motion for passing material arm free end is installed at the top of machine table；First limiting device and the second limiting device are electrically connected with control cabinet, the utility model is adaptable, effectively it accurately can be moved to pre-assembled region by the ratchet spanner to single head and double end, and carry out Precision measurement, guarantee that it is able to accurately complete assembly work, prevents the damage accident of product or equipment.

Description

Pre-assembled device for ratchet spanner

Technical field

The utility model relates to ratchet spanneres to assemble field, in particular to be used for the pre-assembled device of ratchet spanner.

Background technique

Ratchet spanner is a kind of manual screw tightening tool.The more specification movable handle double offset ring spanner with ratchets of single head, double end are (fixed Hole).Movable trigger piece in its constitutional detail adjusts whole spanner using angle in which can be convenient, and this spanner is for screw Elastic operation has the characteristics of strong applicability, easy to use, great saving manpower and low cost.

Ratchet spanner is widely used in real life, and is related to the more industry of multirow；The primary structure of ratchet spanner is To be connected and composed by plate body and wrench are mobilizable, in this way convenient for adjust angle, so ratchet spanner before finished product, need through It crosses the assembly work of multiple tracks part and is formed.

The assembly work of traditional ratchet spanner is all by manually carrying out operation completion, Jin Erxiao using some tools Rate is very slow, and due to may result in some product defective tightness in assembly, leading to later period ratchet wrench in operation It is frequently loosened in hand use, applicability reduces.Also the producer having is operated using semi-automatic or even fully-automatic equipment, but by Not ideal enough in precision, product to be assembled, which often occurs, accurately to realize assembling with other preassembled parts, from And the equipment that product itself is even processed is damaged, and ratchet spanner, due to being divided into single head and double end, some equipment can not spirit The a variety of ratchet spanneres of adaptation living, cause apparatus adaptability poor.

Utility model content

The purpose of this utility model is that in view of the deficiencies of the prior art, it is equipped to provide a kind of prepackage for ratchet spanner It sets.

To solve the above problems, the utility model the following technical schemes are provided: be used for ratchet spanner pre-assembled device, packet Include machine table and control cabinet, prepackage fitting mechanism include be installed at the top of machine table and to hold ratchet spanner pass material arm, To drive the one end for passing material arm servo motor of circular-rotation and being mounted on above machine table to pass the material folding in material arm middle section Device；The free end for passing material arm is equipped with feeding jig, is equipped with passive clamping component in the feeding jig；Clamping device and quilt Dynamic clamping component transmission cooperation；Be equipped at the top of machine table along pass material arm free end the direction of motion set gradually to formal dress It sets, the first limiting device and the second limiting device；First limiting device and the second limiting device are electrically connected with control cabinet；

The aligning device is including contraposition electric cylinders, thin cylinder and wears survey stick；The inclined posture installation of electric cylinders is aligned to add On work platform, thin cylinder is in be vertically installed on the output end of contraposition electric cylinders by cylinder block；It is thin in being vertically installed to wear survey stick On the output end of type cylinder；It wears and surveys stick as rubber material composition；The side of the contraposition electric cylinders is provided with position by the first supporting plate Displacement sensor；The test side of displacement sensor is towards servo motor；Displacement sensor and control cabinet are electrically connected.

Further, first limiting device includes the first cylinder, extension board, guide sleeve and evacuation motor, evacuation electricity Machine is in the side being inversely installed in servo motor by base；Guide sleeve is in the lower section for being horizontally arranged at evacuation motor；Extension board It movable can be plugged in guide sleeve, and one end of extension board extends to displacement sensor direction, the first cylinder is in vertical peace Mounted in the one end of extension board, and the end of the first cylinder opens up fluted, and first is provided in groove close to switch；Evacuation electricity The transmission connection of the other end of machine and extension board.

Further, second limiting device includes the second cylinder, the second close switch and the second supporting plate, the second column Body is erected above machine table by the second supporting plate, and second is mounted on the middle section of the second cylinder close to switch.

The utility model has the advantages that the utility model is adaptable, can effectively the ratchet spanner to single head and double end carry out precisely Be moved to pre-assembled region, and carry out Precision measurement, guarantee that it is able to accurately complete assembly work, prevent product or set Standby damage accident.

Detailed description of the invention

Fig. 1 is ratchet spanner feeding state schematic perspective view one in the utility model；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is ratchet spanner feeding state schematic perspective view two in the utility model；

Fig. 4 is the enlarged drawing in Fig. 3 at B；

Fig. 5 is head end preprocessing state stereoscopic schematic diagram one in double-end ratchet wrench；

Fig. 6 is the enlarged drawing in Fig. 5 at C；

Fig. 7 is head end preprocessing state stereoscopic schematic diagram two in double-end ratchet wrench；

Fig. 8 is other end preprocessing state stereoscopic schematic diagram in double-end ratchet wrench；

Fig. 9 is other end preprocessing state plane schematic diagram in double-end ratchet wrench；

Figure 10 is the schematic perspective view of feeding jig in the utility model；

Description of symbols: machine table 1, servo motor 1a.

Pass material arm 2, notch 2a.

Feeding jig 3, type groove 3a, accommodation groove 3b, elastic component 4 contradict plate 4a, spring 4b, passive bulb 4c, clamping plate 4d.

Aligning device 5 aligns electric cylinders 5a, thin cylinder 5b, wears and surveys stick 5c, displacement sensor 5d.

First limiting device 6, the first cylinder 6a, extension board 6b, guide sleeve 6c avoid motor 6d, the first close switch 6e.

Second limiting device 7, the second cylinder 7a.

Clamping device 8, bar arm 8a, power gas bar 8b, briquetting 8c, squeeze bulb 8d, raised plate 8e, anti-sliding rib 8f are mended Repay block 8g, tension spring 8k.

Ratchet spanner 9, riveted holes 9a.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:

Referring to figs. 1 to the pre-assembled device shown in Fig. 10 for ratchet spanner, including machine table 1 and control cabinet, prepackage Fitting mechanism includes being installed in 1 top of machine table and expecting arm 2 to hold passing for ratchet spanner 9, pass the one of material arm 2 to drive It holds the servo motor 1a of circular-rotation above machine table 1 and is mounted on the clamping device 8 for passing material 2 middle section of arm；Pass material arm 2 Free end is equipped with feeding jig 3, is equipped with passive clamping component in the feeding jig 3；Clamping device 8 and passive clamping component Transmission cooperation；The top of machine table 1 is equipped with the aligning device 5, first set gradually along the direction of motion for passing material 2 free end of arm Limiting device 6 and the second limiting device 7；First limiting device 6 and the second limiting device 7 are electrically connected with control cabinet.

The feeding jig 3 includes the balance of plastic construction, is offered and ratchet spanner 9 at the center at the top of the balance The type groove 3a that shape matches；Balance is rectangular configuration, and type groove 3a runs through the both ends of balance short side line from left to right；The top of balance Portion is symmetrically arranged with two accommodation groove 3b along its short side perpendicular bisector, and accommodation groove 3b is connected with type groove 3a；Passively clamping component includes Two elastic components 4 being separately mounted in an accommodation groove 3b；Two 4 structures of elastic component are identical；Due to the two of balance short side line After setting is run through by type groove 3a in end, and ratchet spanner 9 is placed, at this time if it is the ratchet spanner of double end 9, then the ratchet spanner 9 preassembled both ends to extend to outside balance, can be equal to outside being suspended at by type groove 3a through setting, be convenient for the later period Assembly；The part of ratchet spanner 9 in type groove 3a, i.e., as by clamping device 8 and passive clamping component matching co-clip Tight part；Plastic construction can make type groove 3a itself and ratchet spanner 9 can generate certain extruding force, increase firm.

The elastic component 4 includes the clamping plate 4d for contradicting plate 4a, spring 4b, passive bulb 4c and symmetrical two V-structures； Plate 4a is contradicted in accommodation groove 3b is vertically installed at close to the side of type groove 3a, one end of spring 4b and conflict plate 4a are far from type groove 3a Outer elastic connection, and the spring 4b other end is connect with passive bulb 4c；Two clamping plate 4d pass through respectively a connecting rod with Passive bulb 4c connection；The opening face face type groove 3a of clamping plate 4d；The telescopic direction of spring 4b is the short side line side with balance To parallel, when thus constituting passive bulb 4c and receiving exterior power, spring 4b can be forced to shrink, further namely by Dynamic bulb 4c is moved by the flexible stroke force of spring 4b to plate 4a is contradicted, and be that is to say and is moved to the direction type groove 3a, due to passive The motion profile of bulb 4c has driven the two clamping plate 4d welded therewith to move in this way, and clamping plate 4d is special by itself V-structure Property, opposite clamping is constituted to the ratchet spanner 9 being placed in type groove 3a, aforementioned external power source is clamping device 8.

It from top to bottom opens through jagged 2a in the middle section for passing material arm 2；Clamping device 8 includes bar arm 8a, power gas Bar 8b and T-type structure briquetting 8c；The middle section axis of bar arm 8a connects in notch 2a；The shaft end of power gas bar 8b is hinged on The bottom of material arm 2 is passed, and power gas bar 8b is far from the free end setting for passing material arm 2；The output rod of power gas bar 8b passes through compensation It is hinged that block 8g and bar arm 8a is located at the bottom end passed below material arm 2；The back side of bar arm 8a towards servo motor 1a pass through tension spring 8k and the top elastic connection for passing material arm 2；The top of briquetting 8c is connect with the top of bar arm 8a；The shaft end of power gas bar 8b Portion and compensation block 8g and three vertex that triangle is constituted with the bar middle section arm 8a part, the in this way output in power gas bar 8b In bar output or retraction, the middle section of bar arm 8a can be forced to rotate in notch 2a by the fine rotation of compensation block 8g, and The top of bar arm 8a also rotates with it, and passes through briquetting 8c to balance top movements.

There are two squeeze bulb 8d for the bottom symmetrical setting of the briquetting 8c；Briquetting 8c is turned on balance with bar arm 8a Fang Shi, two squeeze bulb 8d are respectively at the side that two passive bulb 4c are located remotely from each other, and the bottom of briquetting 8c is provided with convex Starting board 8e, raised plate 8e are located between two squeeze bulb 8d；The bottom of raised plate 8e offers several anti-sliding rib 8f；Bar arm 8a by power gas bar 8b driving and after rotating, force briquetting 8c to rotate with it to balance, the two of the bottom subsequent briquetting 8c A squeeze bulb 8d can be respectively enterd to an accommodation groove 3b, into the process, can and the passive bulb in accommodation groove 3b 4c generates contact, and goes successively to, and in the trip, forces passive bulb 4c to squeeze spring 4b and generate movement, squeeze bulb After passive bulb 4c is sufficiently squeezed movement by 8d, squeeze bulb 8d can be contacted with the slot bottom of accommodation groove 3b, at this time the bottom raised plate 8e Portion can press 9 upper surface of ratchet spanner in type groove 3a, and the clamping force of mating splint 4d, the effect of raised plate 8e is anti- Only due to the setting of squeeze bulb 8d, gap is generated excessive between the middle part briquetting 8c and type groove 3a, influences to clamp；Anti- sliding rib 8f's Setting is increasing frictional force, guarantees the stabilization of ratchet spanner 9 during exercise.

The aligning device 5 includes aligning electric cylinders 5a, thin cylinder 5b and wearing to survey stick 5c；Align the inclined appearance of electric cylinders 5a State is installed in machine table 1, and thin cylinder 5b is in be vertically installed on the output end of contraposition electric cylinders 5a by cylinder block；It wears and surveys stick 5c In being vertically installed on the output end of thin cylinder 5b；It wears and surveys stick 5c as rubber material composition；Wear survey stick 5c diameter be with The diameter of the riveted holes 9a of 9 end of ratchet spanner of preprocessing is similar, and the top for wearing survey stick 5c is equipped with Edge Blend structure, thin Type cylinder 5b work moves back and forth vertically so that wearing and surveying stick 5c, and specific work steps is, in the case where double-end ratchet wrench 9, When balance is built-in with ratchet spanner 9, pass material arm 2 rotate, make first one end of ratchet spanner 9 march to wear survey stick 5c just on Side, then wear survey stick 5c carry out the coaxial degree of rise detection, with this determine the position of ratchet spanner 9 at this time whether be preprocessing essence True position after detection, wears and surveys stick 5c reset, passs material arm 2 and continues to be rotated by servo motor 1a, so that ratchet spanner 9 is pre- The other end of assembly is marched to wear and be surveyed above stick 5c, and then aligning electric cylinders 5a can drive cylinder block and thin cylinder 5b to move, It further forces to wear and surveys stick 5c and be moved to ratchet spanner 9 at this time immediately below the riveted holes 9a of the one end；Wearing and surveying stick 5c is rubber material Matter, which ensure that, does not rest on specific location even if ratchet spanner 9, wears the flexible characteristic for surveying stick 5c, can not pass through ratchet spanner 9 In the case where, the damage of the elements such as thin cylinder 5b will not be caused.

The side of the contraposition electric cylinders 5a is provided with displacement sensor 5d by the first supporting plate；The detection of displacement sensor 5d It holds towards servo motor 1a；Displacement sensor 5d and control cabinet are electrically connected；The specific level height of displacement sensor 5d is In the top of balance, specific effect be when wear survey stick 5c and pass through the riveted holes 9a rising of ratchet spanner 9 after, displacement sensor 5d It can sense the rising worn and survey stick 5c, judge that ratchet spanner 9 whether in accurately pre-assembled position, is prevented due to position with this Precisely caused by mechanical and product conflict damage, while also ensuring and being outputed in 9 end of previous steps ratchet spanner Whether riveted holes 9a reaches requirement.

First limiting device 6 includes the first cylinder 6a, extension board 6b, guide sleeve 6c and evacuation motor 6d, evacuation electricity Machine 6d is in the side being inversely installed in servo motor 1a by base；Guide sleeve 6c is in be horizontally arranged under evacuation motor 6d Side；Extension board 6b movable can be plugged in guide sleeve 6c, and one end of extension board 6b extends to the direction displacement sensor 5d, First cylinder 6a is in be vertically installed at the one end of extension board 6b, and the end of the first cylinder 6a opens up fluted, sets in groove First is equipped with close to switch 6e；The other end for avoiding motor 6d and extension board 6b is sequentially connected；Avoid the main shaft installing of motor 6d There is gear, the side of extension board 6b offers tooth socket, and gear is engaged with tooth socket, admittedly evacuation motor 6d rotor rotation, passes through gear So that extension board 6b is basic reciprocal horizontal activity with guide sleeve 6c, further such that extension board 6b is close with the first cylinder 6a Or far from the region displacement sensor 5d；When passing in the material rotation of arm 2, one end of the ratchet spanner 9 on balance takes the lead in contact first Close to switch 6e, after first senses close to switch 6e, signal is passed into control cabinet, control cabinet rises thin cylinder 5b Whether work, detection ratchet spanner 9 are in elaborate position, and subsequent extension board 6b is resetted by evacuation motor 6d, so that the first cylinder 6a detaches prior stop zone, and the end of ratchet spanner 9 is allowed to be expected on hand by subsequent component assembly machinery and rivet dress With work, and after assembling, rotate it smoothly to 7 direction of the second limiting device so that its other end be able to detect with And assembly.

Second limiting device 7 includes the second cylinder 7a, second close to switch and the second supporting plate, and the second cylinder 7a is logical It crosses the second supporting plate and is erected at 1 top of machine table, second is mounted on the middle section of the second cylinder 7a close to switch；When ratchet spanner 9 After one end assembles, passs material arm 2 and continue to rotate, one end that previous ratchet spanner 9 assembles can contact second close to switch, at this time The signal of contact is passed to control cabinet close to switch by second, and control cabinet, which then controls, is moved to positive electric cylinders driving thin cylinder 5b The position riveted holes 9a of 9 other end of ratchet spanner allows thin cylinder 5b to survey stick 5c progress rise detection by wearing.

Working principle: manually double-end ratchet wrench 9 is placed to type groove 3a first, preassembled both ends can pass through type Slot 3a's runs through setting, extends to outside balance, is equal to outside being suspended at, convenient for the assembly in later period；The shaft end of power gas bar 8b Portion and compensation block 8g and three vertex that triangle is constituted with the bar middle section arm 8a part, the in this way output in power gas bar 8b In bar output or retraction, the middle section of bar arm 8a can be forced to rotate in notch 2a by the fine rotation of compensation block 8g, and The top of bar arm 8a also rotates with it, and by briquetting 8c to balance top movements, two of the bottom subsequent briquetting 8c are squeezed Pressure ball head 8d can be respectively enterd to an accommodation groove 3b, into the process, can be produced with the passive bulb 4c in accommodation groove 3b Raw contact, and go successively to, in the trip, force passive bulb 4c to squeeze spring 4b and generate movement, further namely Passive bulb 4c is moved by the flexible stroke force of spring 4b to plate 4a is contradicted, and be that is to say and is moved to the direction type groove 3a, due to quilt The motion profile of dynamic bulb 4c, has driven the two clamping plate 4d welded therewith to move in this way, and clamping plate 4d is special by itself V-structure Property, two-way clamping is constituted to the ratchet spanner 9 being placed in type groove 3a, squeeze bulb 8d can be contacted with the slot bottom of accommodation groove 3b, The bottom raised plate 8e can press 9 upper surface of ratchet spanner in type groove 3a at this time, the clamping force of mating splint 4d, protrusion The effect of plate 8e is the setting prevented due to squeeze bulb 8d, and excessive, influence is generated gap between type groove 3a in the middle part of briquetting 8c Clamping；The setting of anti-sliding rib 8f is increasing frictional force, guarantees the stabilization of ratchet spanner 9 during exercise；After clamping, servo Motor 1a control passs material arm 2 rotate, pass material arm 2 free end with ratchet spanner 9 preassembled one end rotate, and this one The end at end takes the lead in contact first close to switch 6e, and after first senses close to switch 6e, signal is passed to control cabinet, controls Cabinet makes thin cylinder 5b rise work indirectly, surveys the vertical posture rising of stick 5c by wearing, can purpose detection pass through spine Whether the riveted holes 9a that 9 end of wheel spanner was opened in advance, it is precisely corresponding with the position of preprocessing to detect riveted holes 9a, specific to walk Suddenly be when wear survey stick 5c pass through ratchet spanner 9 riveted holes 9a rise after, displacement sensor 5d can sense wears survey stick 5c Rise, whether ratchet spanner 9 judged in accurately pre-assembled position with this, prevent due to position precisely it is inverted it is mechanical with And the damage of product, while also ensuring whether the riveted holes 9a outputed in 9 end of previous steps ratchet spanner reaches requirement；Inspection After survey result is normal, then extension board 6b is resetted by evacuation motor 6d, so that the first cylinder 6a detaches prior stop zone, into One end of step ratchet spanner 9 can be expected on hand by subsequent component assembly machinery and receive riveting assembly work, and assemble After, which can rotate to 7 direction of the second limiting device, so that its other end is able to detect and assemble, and And during this continues to rotate, one end that previous ratchet spanner 9 assembles can contact second close to switch, at this time second will close to switch The signal of contact passes to control cabinet, and control cabinet then controls that be moved to ratchet spanner 9 to positive electric cylinders driving thin cylinder 5b another The position riveted holes 9a at end allows thin cylinder 5b to survey stick 5c progress rise detection by wearing.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, in the range of still falling within the technical solution of the utility model.

Claims (3)

1. being used for the pre-assembled device of ratchet spanner, including machine table (1) and control cabinet, it is characterised in that: prepackage fitting mechanism packet It includes and is installed at the top of machine table (1) and expects arm (2) to hold passing for ratchet spanner (9), pass the one of material arm (2) to drive It holds the servo motor (1a) of circular-rotation above machine table (1) and is mounted on the clamping device (8) for passing material arm (2) middle section； The free end for passing material arm (2) is equipped with feeding jig (3), is equipped with passive clamping component in the feeding jig (3)；Clamping device (8) cooperate with the transmission of passive clamping component；Be equipped at the top of machine table (1) along pass material arm (2) free end the direction of motion according to Aligning device (5), the first limiting device (6) and the second limiting device (7) of secondary setting；First limiting device (6) and the second limit Position device (7) is electrically connected with control cabinet；

The aligning device (5) includes aligning electric cylinders (5a), thin cylinder (5b) and wearing survey stick (5c)；Aligning electric cylinders (5a) is in Lateral attitude is installed on machine table (1), and thin cylinder (5b) is in the output for being vertically installed at contraposition electric cylinders (5a) by cylinder block On end；Wearing and surveying stick (5c) is in be vertically installed on the output end of thin cylinder (5b)；It wears and surveys stick (5c) as rubber material composition；Institute The side for stating contraposition electric cylinders (5a) is provided with displacement sensor (5d) by the first supporting plate；The test side court of displacement sensor (5d) To servo motor (1a)；Displacement sensor (5d) and control cabinet are electrically connected.

2. the pre-assembled device according to claim 1 for ratchet spanner, it is characterised in that: first limiting device It (6) include the first cylinder (6a), extension board (6b), guide sleeve (6c) and evacuation motor (6d), evacuation motor (6d) passes through base In the side being inversely installed in servo motor (1a)；Guide sleeve (6c) is in the lower section for being horizontally arranged at evacuation motor (6d)；Extend Plate (6b) movable can be plugged in guide sleeve (6c), and one end of extension board (6b) is prolonged to the direction displacement sensor (5d) Stretch, the first cylinder (6a) be in be vertically installed at the one end of extension board (6b), and the end of the first cylinder (6a) open up it is fluted, First is provided in groove close to switch (6e)；The other end for avoiding motor (6d) and extension board (6b) is sequentially connected.

3. the pre-assembled device according to claim 2 for ratchet spanner, it is characterised in that: second limiting device It (7) include the second cylinder (7a), second close to switch and the second supporting plate, the second cylinder (7a) is erected at by the second supporting plate to be added Above work platform (1), second is mounted on the middle section of the second cylinder (7a) close to switch.