CN108581477A - Pre-assembled device for ratchet spanner - Google Patents

Abstract

The present invention relates to ratchet spanneres to assemble field, more particularly to it is used for the pre-assembled device of ratchet spanner, including machine table and switch board, prepackage fitting mechanism includes being installed at the top of machine table passing material arm, driving the one end for passing material arm servo motor of circular-rotation and mounted on the clamping device for passing material arm stage casing above machine table；The free end for passing material arm is equipped with feeding jig, and passive clamp assembly is equipped in the feeding jig；Clamping device coordinates with the transmission of passive clamp assembly；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 switch board, the present invention is adaptable, can pre-assembled region be accurately effectively moved to the ratchet spanner of single head and double end, and carry out Precision measurement, ensure that it is able to accurately complete assembly work, prevents product or the damage accident of equipment.

Description

Pre-assembled device for ratchet spanner

Technical field

The present invention relates to ratchet spanneres to assemble field, more particularly to is used for the pre-assembled device of ratchet spanner.

Background technology

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（It is fixed Hole）.Movable trigger piece in its constitutional detail can easily adjust whole spanner and use angle, 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 be 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 in operation, may result in some product defective tightness in assembly, leads to later stage ratchet wrench 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 has been 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.

Invention content

In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of pre-assembled device for ratchet spanner.

To solve the above problems, the present invention provides following technical scheme：For the pre-assembled device of ratchet spanner, including add Work platform and switch board, prepackage fitting mechanism include be installed at the top of machine table and to hold ratchet spanner pass material arm, to One end of material arm servo motor of circular-rotation and mounted on the clamping device for passing material arm stage casing above machine table is passed in driving； The free end for passing material arm is equipped with feeding jig, and passive clamp assembly is equipped in the feeding jig；Clamping device and passive folder Tight component transmission cooperation；Be equipped at the top of machine table the aligning device set gradually along the direction of motion for passing material arm free end, First limiting device and the second limiting device；First limiting device and the second limiting device are electrically connected with switch board；

The aligning device is including contraposition electric cylinders, thin cylinder and wears survey stick；It aligns electric cylinders inclined posture and machine table is installed On, thin cylinder is in be vertically installed on the output end of contraposition electric cylinders by cylinder block；It is in be vertically installed at slim gas to wear and survey stick On the output end of cylinder；It wears and surveys stick as rubber material composition；The side of the contraposition electric cylinders is provided with displacement by the first support plate and passes Sensor；The test side of displacement sensor is towards servo motor；Displacement sensor is electrically connected with switch board.

Further, first limiting device includes the first cylinder, extension board, guide sleeve and evacuation motor, evacuation electricity Machine is in the reverse mounted side in servo motor by engine 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 other end of machine and extension board is sequentially connected.

Further, second limiting device includes the second cylinder, the second close switch and the second support plate, the second column Body is erected at by the second support plate above machine table, and second is mounted on the stage casing of the second cylinder close to switch.

Advantageous effect：The present invention is adaptable, effectively can carry out accurately position to the ratchet spanner of single head and double end Pre-assembled region is moved to, and carries out Precision measurement, ensures that it is able to accurately complete assembly work, prevents product or equipment Damage accident.

Description of the drawings

Fig. 1 is ratchet spanner feeding state dimensional structure diagram one in the present invention；

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

Fig. 3 is ratchet spanner feeding state dimensional structure diagram two in the present invention；

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

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

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

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 dimensional structure diagram of feeding jig in the present invention；

Reference sign：Machine table 1, servo motor 1a.

Pass material arm 2, notch 2a.

Feeding jig 3, type groove 3a, storage tank 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, evacuation 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 implementation mode

With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are 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 switch board, pre-assembled machine Structure includes being installed in 1 top of machine table and expecting arm 2 to hold passing for ratchet spanner 9, expect that one end of arm 2 exists to drive to pass The servo motor 1a of 1 top circular-rotation of machine table and mounted on the clamping device 8 for passing material arm 2 stage casing；Pass the freedom of material arm 2 End is equipped with feeding jig 3, and passive clamp assembly is equipped in the feeding jig 3；Clamping device 8 is driven with passive clamp assembly Cooperation；The top of machine table 1 is equipped with the aligning device 5, first set gradually along the direction of motion for passing 2 free end of material arm and limits Device 6 and the second limiting device 7；First limiting device 6 and the second limiting device 7 are electrically connected with switch board.

The feeding jig 3 includes the balance of plastic construction, is offered at the center at the top of the balance and ratchet spanner 9 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 arranged with two storage tank 3b along its short side perpendicular bisector, and storage tank 3b is connected with type groove 3a；Passively clamp assembly includes Two elastic components 4 being separately mounted in a storage tank 3b；Two 4 structures of elastic component are identical；Due to the two of balance short side line After setting is run through in end by type groove 3a, 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 stage Assembly；The part of ratchet spanner 9 in type groove 3a is used as by clamping device 8 and passive clamp assembly matching co-clip Tight part；Plastic construction can make type groove 3a itself will produce certain extruding force with ratchet spanner 9, 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 storage tank 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 ends are connect with passive bulb 4c；Two clamping plate 4d respectively by a connecting rod with Passive bulb 4c connections；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 directions type groove 3a, due to passive The movement locus of bulb 4c has driven the two clamping plate 4d movements welded therewith, clamping plate 4d special by itself V-structure in this way 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 stage casing for passing material arm 2；Clamping device 8 includes bar arm 8a, power gas Bar 8b and T-type structure briquetting 8c；The stage casing axis of bar arm 8a is connected 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 triangle with the bar stage casings arm 8a part, the in this way output in power gas bar 8b During bar is exported or bounced back, the stage casing of bar arm 8a can be forced to be rotated in notch 2a by the fine rotation of compensation block 8g, and The top of bar arm 8a also rotates therewith, and by 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 to bar arm 8a on balance 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 After 8a is rotated by the driving of power gas bar 8b, briquetting 8c is forced to rotate therewith to above balance, the two of the bottoms subsequent briquetting 8c A squeeze bulb 8d can be respectively enterd to a storage tank 3b, into the process, can and the passive bulb in storage tank 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 fully squeezed movement by 8d, squeeze bulb 8d can be contacted with the slot bottom of storage tank 3b, at this time the bottoms raised plate 8e Portion can press 9 upper surface of ratchet spanner in type groove 3a, and the effect of the clamping force of mating splint 4d, raised plate 8e is anti- Only due to the setting of squeeze bulb 8d, gap generates excessive between the middle parts briquetting 8c and type groove 3a, influences to be clamped；Anti- sliding rib 8f's Setting is increasing frictional force, ensures 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 appearances 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 The 5b work of type cylinder so that it wears survey stick 5c and moves back and forth vertically, specific works step is, in the case of double-end ratchet wrench 9, When balance is built-in with ratchet spanner 9, passs material arm 2 and rotate, first so that one end of ratchet spanner 9 march to wear survey stick 5c just on Side then wears and surveys stick 5c and carry out the coaxial degree of rise detection, with this determine the position of ratchet spanner 9 at this time whether be preprocessing essence After detection, wear and survey stick 5c and reset, pass material arm 2 and continue to be rotated by servo motor 1a in true position so that ratchet spanner 9 it is pre- The other end of assembly is marched to wear and be surveyed above stick 5c, and cylinder block and thin cylinder 5b movements can be driven by then aligning electric cylinders 5a, 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；It is rubber material to wear and survey stick 5c Matter 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 of, 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 support plate；The detection of displacement sensor 5d It holds towards servo motor 1a；Displacement sensor 5d is electrically connected with switch board；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 risings 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 machinery and product conflict damage, while also ensuring and outputing 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 reverse mounted side in servo motor 1a by engine 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 directions 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, is set 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 are gear, the side of extension board 6b to offer tooth socket, gear is engaged with tooth socket, admittedly evacuation motor 6d rotors 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 regions displacement sensor 5d；In passing material arm 2 and rotating, 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 switch board, switch board makes thin cylinder 5b rise 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 so that the end of ratchet spanner 9 can on hand be expected to fill with riveting by subsequent component assembly machinery With work, and after assembling, it is made smoothly to be rotated 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, the second close switch and the second support plate, the second cylinder 7a logical It crosses the second support plate and is erected at 1 top of machine table, second is mounted on the stage casing of the second cylinder 7a close to switch；When ratchet spanner 9 After one end assembles, passs material arm 2 and be rotated further, one end that previous ratchet spanner 9 assembles can contact second close to switch, at this time The signal of contact is passed to switch board by second close to switch, and switch board, which then controls, is moved to positive electric cylinders driving thin cylinder 5b The positions riveted holes 9a of 9 other end of ratchet spanner so that thin cylinder 5b can survey stick 5c progress rise detections by wearing.

Operation 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, and is convenient for the assembly in later stage；The shaft end of power gas bar 8b Portion and compensation block 8g and three vertex triangle with the bar stage casings arm 8a part, the in this way output in power gas bar 8b During bar is exported or bounced back, the stage casing of bar arm 8a can be forced to be rotated in notch 2a by the fine rotation of compensation block 8g, and The top of bar arm 8a also rotates therewith, and by briquetting 8c to balance top movements, and two of the bottoms subsequent briquetting 8c squeeze Pressure ball head 8d can be respectively enterd to a storage tank 3b, into the process, can be produced with the passive bulb 4c in storage tank 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 directions type groove 3a, due to quilt The movement locus of dynamic bulb 4c has driven the two clamping plate 4d movements welded therewith, clamping plate 4d special by itself V-structure in this way 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 storage tank 3b, The bottoms 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, ensures the stabilization of ratchet spanner 9 during exercise；After clamping, servo Motor 1a control is passed material arm 2 and is rotated, and the free end for passing material arm 2 is rotated with preassembled one end of ratchet spanner 9, and this one Signal is passed to switch board by the contact first that takes the lead in of the end at end close to switch 6e after first senses close to switch 6e, is controlled Cabinet makes thin cylinder 5b rise work indirectly, surveys the vertical posture risings 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 It is rapid be when wear survey stick 5c the riveted holes 9a of ratchet spanner 9 passed through to rise after, displacement sensor 5d, which can be sensed, wears survey stick 5c Rise, whether ratchet spanner 9 judged in accurately pre-assembled position with this, prevent due to position precisely inverted machinery 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 and the first cylinder 6a detaches prior stop zone, into One end of step ratchet spanner 9 can on hand be expected 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 and its other end is able to detect and assemble, and And during this is rotated further, one end that previous ratchet spanner 9 assembles can contact second close to switch, and the second close switch will at this time The signal of contact passes to switch board, and switch board then controls that be moved to ratchet spanner 9 to positive electric cylinders driving thin cylinder 5b another The positions riveted holes 9a at end so that thin cylinder 5b can survey stick 5c progress rise detections by wearing.

The above described is only a preferred embodiment of the present invention, not making any limit to the technical scope of the present invention System, thus it is every according to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example, In the range of still falling within technical scheme of the present invention.

Claims (3)

1. for the pre-assembled device of ratchet spanner, including machine table（1）And switch board, it is characterised in that：Pre-install fitting mechanism packet It includes and is installed in machine table（1）Top and to hold ratchet spanner（9）Pass material arm（2）, to drive pass material arm（2）One End is in machine table（1）The servo motor of top circular-rotation（1a）And mounted on passing material arm（2）The clamping device in stage casing（8）； Pass material arm（2）Free end feeding jig is installed（3）, the feeding jig（3）Passive clamp assembly is inside installed；Clamping device （8）It is driven and coordinates with passive clamp assembly；Machine table（1）Top be equipped with along passing material arm（2）The direction of motion of free end according to The aligning device of secondary setting（5）, the first limiting device（6）With the second limiting device（7）；First limiting device（6）With the second limit Position device（7）It is electrically connected with switch board；

The aligning device（5）Including aligning electric cylinders（5a）, thin cylinder（5b）And wear survey stick（5c）；Align electric cylinders（5a）It is in Lateral attitude installs machine table（1）On, thin cylinder（5b）It is in be vertically installed at contraposition electric cylinders by cylinder block（5a）Output On end；Wear survey stick（5c）In being vertically installed at thin cylinder（5b）Output end on；Wear survey stick（5c）It is constituted for rubber material；Institute State contraposition electric cylinders（5a）Side displacement sensor is provided with by the first support plate（5d）；Displacement sensor（5d）Test side court To servo motor（1a）；Displacement sensor（5d）It is electrically connected with switch board.

2. the pre-assembled device according to claim 1 for ratchet spanner, it is characterised in that：First limiting device （6）Including the first cylinder（6a）, extension board（6b）, guide sleeve（6c）With evacuation motor（6d）, avoid motor（6d）Pass through engine base In reverse mounted in servo motor（1a）Side；Guide sleeve（6c）In being horizontally arranged at evacuation motor（6d）Lower section；Extend Plate（6b）Movable it can be plugged in guide sleeve（6c）It is interior, and extension board（6b）One end to displacement sensor（5d）Prolong in direction It stretches, the first cylinder（6a）In being vertically installed at extension board（6b）The one end, and the first cylinder（6a）End open up it is fluted, First is provided in groove close to switch（6e）；Avoid motor（6d）With extension board（6b）The other end be sequentially connected.

3. the pre-assembled device according to claim 2 for ratchet spanner, it is characterised in that：Second limiting device （7）Including the second cylinder（7a）, second close to switch and the second support plate, the second cylinder（7a）It is erected at and is added by the second support plate Work platform（1）Top, second is mounted on the second cylinder close to switch（7a）Stage casing.