CN201076977Y - Stabile displacement mechanism for welding device - Google Patents
Stabile displacement mechanism for welding device Download PDFInfo
- Publication number
- CN201076977Y CN201076977Y CNU2007201219261U CN200720121926U CN201076977Y CN 201076977 Y CN201076977 Y CN 201076977Y CN U2007201219261 U CNU2007201219261 U CN U2007201219261U CN 200720121926 U CN200720121926 U CN 200720121926U CN 201076977 Y CN201076977 Y CN 201076977Y
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- CN
- China
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- guide post
- swivel nut
- displacement mechanism
- slide block
- screw rod
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Abstract
The utility model relates to a steady displacement mechanism for welding device, which comprises a sliding board, a guide structure, and a sliding block sliding on the guide structure; wherein, the guide structure is composed of a first base plate, a second base plate, and a first guiding bar and a second guiding bar which are parallelized separately; the sliding block is provided with a guide groove hole matched with the first guiding bar and the second guiding bar; the displacement mechanism comprises a stepping motor and a transmission mechanism which is driven by the stepping motor and drives the sliding block to slide to and fro as well; the transmission mechanism comprises a screw and a threaded sleeve fixed on the sliding block. The transmission mechanism is arranged between the first guiding bar and the second guiding bar, therefore the force-bearing point of the sliding block is positioned between the two guiding bars, effectively eliminating the harmful moment for the sliding of the sliding block and ensuring the stable sliding to the sliding block. The utility model has the advantages of stable sliding, lower noise, and less wear of the guiding bar and sliding bearing, consequent stable and improved joint quality, prolonged service life of the machine parts, and the optimized working environment.
Description
Technical field
The utility model relates to a kind of displacement mechanism, particularly a kind of stable displacement mechanism that can be applicable in the welder.
Background technology
In the existing welder, particularly in the electronic spot-welding equipment such as ultrasonic spot welder, ultrasonic wire bonding machine, generally include slide plate 104, be installed in the displacement mechanism on the slide plate 104 and be installed in welding bench on the displacement mechanism.Certainly, also comprise as other parts such as pedestal, soldering tip.Existing displacement mechanism generally includes the slide block 103 that is fixed on the guide frame on the slide plate 104 and slides on guide frame.Guide frame comprises that relative fixed is installed in two seat boards 101 on the slide plate 104 and separately is installed in parallel in guide post 102 between the seat board 101.On slide block 103, offer the guiding slotted eye that cooperates with guide post 102, and in the guiding slotted eye, be provided with sliding bearing, thereby slide block 103 slidably is installed on the guide post 102.Welding bench is fixedly mounted on the slide block 103.
Slidably reciprocate on guide post 102 in order to promote slide block 103, existing a kind of method is that the side at slide block 103 is equipped with actuating unit, promotes slide block 103 by actuating unit and moves back and forth.The screw rod 106 that actuating unit comprises stepper motor 105, be meshed and swivel nut 107 etc.Stepper motor 105 is fixedly mounted on the slide plate 104 by seat board 101, and is positioned at a side of displacement mechanism.Screw rod 106 is fixedlyed connected with the output shaft of stepper motor 105; And swivel nut 107 is fixedly connected on a side of slide block 103 by connecting plate 108.During action, stepper motor 105 drives screw rod 106 and rotates, and by the engaged transmission of swivel nut 107 with screw rod 106, drives slide block 103 and slidably reciprocates on guide post 102.Yet, there is following defective at least in the actuating unit of this structure: 1, because swivel nut 107 is sides that are fixed on slide block 103, when transmission, the point of application acts on a side of slide block 103, thereby on slide block 103, produce torque difference, make slide block 103 have the trend of rotating, but under the restriction of guide post 102, slide block 103 can only produce slip on guide post 102 around the point of application.Because moment is directed to the reaction force balance of bar, this must increase the frictional force between the sliding bearing and guide post 102 in the slide block, increases noise and wearing and tearing, and makes that the slip of slide block 103 is not steady.2, because swivel nut 107 is installed in a side of slide block 103, it highly exceeds the work top of slide block 103, and this is harmful to the moment except producing, and makes welding bench can only be installed in the front side of swivel nut 107, limit the installation site of welding bench, be unfavorable for the installation adjustment of welding bench.3, when slide block 103 is installed, need the resistance to sliding between debugging slide block 103 and the guide post 102 whether suitable, need the output shaft of hand rotation stepper motor 105 to drive screw rod 106 rotations, thereby driving slide block 103 moves on guide post 102, but, because the part that the output shaft of motor exposes is between screw rod 106 and motor housing, narrow space, be unfavorable for rotating with hand, the operator often has lubricated wet goods on hand when particularly installing, be unfavorable for the rotary electric machine output shaft more, existing structure has been brought great inconvenience to debugging.
The utility model content
Technical problem to be solved in the utility model is, at the actuating unit in the displacement mechanism of above-mentioned prior art be installed in that the slide block that slide block one side brings moves steadily, noise is big, the defective of guide post easy to wear etc., a kind of displacement mechanism is provided, has avoided actuating unit to be installed in the defective that slide block one side is produced.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of stable displacement mechanism that is used for welder is provided, the slide block that comprises slide plate, is fixed on the guide frame on the described slide plate and slides on described guide frame, described guide frame comprise first guide post and second guide post that relative fixed is installed in first seat board and second seat board on the described slide plate and is installed in the parallel separation between described first seat board and second seat board; Described slide block is provided with the guiding slotted eye that matches with described first guide post, second guide post; Described stable displacement mechanism also comprises the stepper motor that is fixedly mounted on the described slide plate and is driven and driven the transmission mechanism that described slide block reciprocatingly slides by described stepper motor; Described transmission mechanism is between described first guide post and second guide post.
In stable displacement mechanism of the present utility model, described transmission mechanism comprises screw rod of fixedlying connected with the output shaft of described stepper motor and the swivel nut of fixedlying connected with described slide block; Described screw rod is meshed with described swivel nut, and the transmission direction of described screw rod and swivel nut parallels with the guide direction of described first guide post and second guide post.
In stable displacement mechanism of the present utility model, the axis of the axis of described screw rod and swivel nut and described first guide post, second guide post is positioned on the same horizontal plane; The axis of described screw rod and swivel nut equates with the axial line distance of described first guide post with the axial line distance of second guide post.
In stable displacement mechanism of the present utility model, the bottom of described slide block offers and the parallel shoulder hole of described first guide post, and described swivel nut is fixedly mounted in the described shoulder hole by the swivel nut lock ring; Described swivel nut comprises the claw-like main body that is provided with the internal thread that cooperates with described screw rod; One side of described claw-like main body is provided with barb, and the other end is provided with the shoulder that cooperates installation with described shoulder hole.
In stable displacement mechanism of the present utility model, the outer race of described claw-like main body is provided with the swivel nut lock ring, and described swivel nut lock ring is provided with described barb and cooperates the taper hole of holding described claw-like main body tightly; Between the shoulder of described swivel nut lock ring and described columnar body, be provided with the spring of the described swivel nut lock ring of push-tight.
In stable displacement mechanism of the present utility model, offer the slotted eye of stepping down that passes for described screw rod on described first seat board.
In stable displacement mechanism of the present utility model, described stepper motor is fixedly mounted on the described slide plate by connecting plate; Described connecting plate is the two block plates that separate with first seat board or is a whole seat board.
In stable displacement mechanism of the present utility model, the working face of described slide block is higher than described stepper motor, first seat board, second seat board and connecting plate.
In stable displacement mechanism of the present utility model, the output shaft of described stepper motor stretches out away from an end of described screw rod, stretches out the shell of described stepper motor.
In stable displacement mechanism of the present utility model, described output shaft stretches out on a section of shell of described stepper motor and offers jack.
Implement the stable displacement mechanism that is used for welder of the present utility model, at least has following beneficial effect: by transmission mechanism being installed between first guide post and second guide post, make the stress point of slide block between two guide posts, effectively eliminated the moment that slide block is slided and is harmful to, guaranteed the smooth sliding of slide block, have slide steadily, noise is little, the little advantage of wearing and tearing of guide post and sliding bearing.Thereby stabilized and increased quality of welding spot, prolonged the service life of machine parts, optimized working environment.In addition,, make the height of the work top of slide block be higher than stepper motor etc., thereby enlarged the welding bench area, and have installation, advantage easy to use because the position that stepper motor and transmission mechanism are provided with is lower.In addition, can pass through the tool holding output shaft by prolonging the output shaft of stepper motor, making, drive output shaft and rotate, the resistance to sliding of debugging slide block has and debugs advantage easily.
Description of drawings
Fig. 1 is the schematic diagram of the displacement mechanism of prior art;
Fig. 2 is the schematic diagram of displacement mechanism of the present utility model;
Fig. 3 analyses and observe the cross-sectional schematic that obtains according to A-A hatching among Fig. 2;
Fig. 4 is the schematic perspective view of the assembled state of displacement mechanism of the present utility model;
Fig. 5 is the decomposing schematic representation of the transmission mechanism of displacement mechanism of the present utility model.
The specific embodiment
To shown in Figure 5, is first embodiment of stable displacement mechanism of the present utility model as Fig. 2, and it can be applicable on the welder, is used to adjust the position of workbench mounted thereto, cooperates soldering tip work.
The slide block 4 that this displacement mechanism comprises slide plate 9, is fixed on the guide frame on the slide plate 9 and slides on guide frame.Guide frame comprise the first seat board 3a and the second seat board 3b that is fixedly mounted on the slide plate 9 and be installed in the first seat board 3a and the second seat board 3b between the first guide post 8a and the second guide post 8b.Two parallel separation settings of guide post, the both sides on the slide block 4 offer the guiding slotted eye.In the guiding slotted eye, sliding bearing is installed, be installed to again on the first guide post 8a and the second guide post 8b, thereby slide block 4 slidably is installed on the first guide post 8a and the second guide post 8b, and the first guide post 8a and the second guide post 8b are that the slip of slide block 4 is led.
By connecting plate 2 stepper motor 1 is installed on slide plate 9, this stepper motor 1 is positioned at an end of slide block 4.In the present embodiment, connecting plate 2 and the two block plates of the first seat board 3a for separating; Understandable, the connecting plate 2 and the first seat board 3a also can be made of one structure, thereby make structure more simple.The output shaft of stepper motor 1 is connected with transmission mechanism, and the drive transmission mechanism drives slide block 4 and reciprocatingly slides on guide post.This transmission mechanism is between the first guide post 8a and the second guide post 8b, further the axis of transmission mechanism and the axis of the first guide post 8a and the second guide post 8b are positioned on the same horizontal plane, thereby can eliminate the moment that slide block is slided and is harmful to effectively, guarantee the smooth sliding of slide block 4.
This transmission mechanism comprises screw rod 5 of fixedlying connected with the output shaft of stepper motor 1 and the swivel nut 6 of fixedlying connected with slide block 4.By the engaged transmission of screw rod 5, drive moving of slide block 4 with swivel nut 6.The transmission direction of screw rod 5 and swivel nut 6 parallels with the guide direction of the first guide post 8a and the second guide post 8b.In the present embodiment, the bottom of slide block 4 offers the shoulder hole parallel with guide post, is used for for swivel nut 6 fixed installations.As shown in Figure 5, this swivel nut 6 comprises claw-like main body 61, and the inwall of claw-like main body 61 is provided with internal thread and is meshed with screw rod 5.One end of claw-like main body 61 is provided with barb 62, and the other end is provided with by screw whole swivel nut 6 is locked the shoulder 63 that is installed in the shoulder hole.Between barb 62 and shoulder 63, be arranged with swivel nut lock ring 7, between swivel nut lock ring 7 and shoulder, be provided with spring 13.Swivel nut lock ring 7 is provided with taper hole, is used for cooperating with barb 62.Assembling rear spring 13 promotes swivel nut lock rings 7, under the effect on the gradual change inclined-plane of taper hole, tightens up claw-like main body 61, thereby makes swivel nut 6 hold screw rod 5 tightly.Swivel nut 6 is by the acting in conjunction of swivel nut lock ring 7 and spring 13, thereby change the power of holding tightly between swivel nut 6, the screw rod 5, compression spring 13 power are big more, the power of holding tightly between swivel nut 6, the screw rod 5 is big more, just tight more, therefore can be by adjusting the power of spring 13, adjust between screw rod 5 and the swivel nut 6 and cooperate tightness degree, control the elasticity that slide block 4 moves.
Pass the first seat board 3a for the ease of screw rod 5, on the first seat board 3a, offer the slotted eye 12 of stepping down, thereby screw rod 5 can be inserted into the bottom of slide block 4 by the slotted eye 12 of stepping down, and is meshed with swivel nut 6.
In the present embodiment, screw rod 5 and swivel nut 6 are positioned at the centre position of the first guide post 8a and the second guide post 8b, the axis that is screw rod 5 and swivel nut 6 equates with the axial line distance of the first guide post 8a with the axial line distance of the second guide post 8b, the power that the position of win the guide post 8a and the second guide post 8b is subjected to is basic equating, thereby has eliminated the vibration that unbalance stress brought that exists in the prior art, mobile deviation, noise and wearing and tearing effectively.Further, the axis of the axis of screw rod 5 and swivel nut 6 and the first guide post 8a and the second guide post 8b is positioned on the same horizontal plane, make the active force that promotes slide block 4 slips be on the axis place horizontal plane of the first guide post 8a and the second guide post 8b, avoided the harm of bringing because of the harmful moment that on same horizontal plane, does not produce in the prior art, make that slide block 4 stressed even resistances to sliding are little, slip steadily, noise is little, wearing and tearing are little.
In the present embodiment, thereby the working face of slide block 4 is higher than the work area that stepper motor 1, the first seat board 3a, the second seat board 3b and connecting plate 2 have enlarged slide block 4, and welding bench is installed on the slide block 4 and can be restricted, and is easy for installation.
Whether too tight or too loose for the ease of (between screw rod and the swivel nut) between debugging slide block 4 and the first guide post 8a and the second guide post 8b, the output shaft of stepper motor 1 end away from screw rod 5 is stretched out, stretch out the shell of stepper motor 1, rotate thereby be convenient to drive screw rod 5, thereby drive swivel nut 6 and slide block 4 move from outside rotary output axis.Tool using rotary output axis for convenience stretches out at output shaft on one section on the shell of stepper motor 1 and offers jack 11, thereby conveniently inserts pin, and rotary output axis.
Claims (10)
1. stable displacement mechanism that is used for welder, the slide block (4) that comprises slide plate (9), is fixed on the guide frame on the described slide plate (9) and on described guide frame, slides, described guide frame comprise relative fixed be installed in first seat board (3a) and second seat board (3b) on the described slide plate (9) and be installed in described first seat board (3a) and second seat board (3b) between first guide post (8a) and second guide post (8b) of parallel separation; Described slide block (4) is provided with the guiding slotted eye that matches with described first guide post (8a), second guide post (8b); It is characterized in that described stable displacement mechanism also comprises the stepper motor (1) that is fixedly mounted on the described slide plate (9) and driven and driven the transmission mechanism that described slide block (4) reciprocatingly slides by described stepper motor (1); Described transmission mechanism is positioned between described first guide post (8a) and second guide post (8b).
2. the stable displacement mechanism that is used for welder according to claim 1, it is characterized in that described transmission mechanism comprises screw rod (5) of fixedlying connected with the output shaft of described stepper motor (1) and the swivel nut (6) of fixedlying connected with described slide block (4); Described screw rod (5) is meshed with described swivel nut (6), and the transmission direction of described screw rod (5) and swivel nut (6) parallels with the guide direction of described first guide post (8a) and second guide post (8b).
3. the stable displacement mechanism that is used for welder according to claim 2 is characterized in that, the axis of the axis of described screw rod (5) and swivel nut (6) and described first guide post (8a), second guide post (8b) is positioned on the same horizontal plane; The axis of described screw rod (5) and swivel nut (6) equates with the axial line distance of described first guide post (8a) with the axial line distance of second guide post (8b).
4. the stable displacement mechanism that is used for welder according to claim 3 is characterized in that, the bottom of described slide block (4) offers and the parallel shoulder hole of described first guide post (8a), and described swivel nut (6) is fixedly mounted in the described shoulder hole;
Described swivel nut comprises the claw-like main body that is provided with the internal thread that cooperates with described screw rod; One end of described claw-like main body is provided with barb, and the other end is provided with the shoulder that cooperates installation with described shoulder hole.
5. the stable displacement mechanism that is used for welder according to claim 4 is characterized in that the outer race of described claw-like main body is provided with the swivel nut lock ring, and described swivel nut lock ring is provided with described barb and cooperates the taper hole of holding described claw-like main body tightly; Between the shoulder of described swivel nut lock ring and described columnar body, be provided with the spring of the described swivel nut lock ring of push-tight.
6. the stable displacement mechanism that is used for welder according to claim 5 is characterized in that, offers the slotted eye of stepping down that passes for described screw rod (5) on described first seat board (3a).
7. according to each described stable displacement mechanism that is used for welder among the claim 1-6, it is characterized in that described stepper motor (1) is fixedly mounted on the described slide plate (9) by connecting plate (2); Described connecting plate (2) is the two block plates that separate with first seat board (3a) or is a whole seat board.
8. the stable displacement mechanism that is used for welder according to claim 7 is characterized in that, the working face of described slide block (4) is higher than described stepper motor (1), first seat board (3a), second seat board (3b) and connecting plate (2).
9. according to each described stable displacement mechanism that is used for welder in the claim 2 to 6, it is characterized in that the output shaft of described stepper motor (1) stretches out away from an end of described screw rod (5), stretches out the shell of described stepper motor (1).
10. the stable displacement mechanism that is used for welder according to claim 9 is characterized in that, described output shaft stretches out on a section of shell of described stepper motor (1) and offers jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219261U CN201076977Y (en) | 2007-07-31 | 2007-07-31 | Stabile displacement mechanism for welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219261U CN201076977Y (en) | 2007-07-31 | 2007-07-31 | Stabile displacement mechanism for welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201076977Y true CN201076977Y (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201219261U Expired - Fee Related CN201076977Y (en) | 2007-07-31 | 2007-07-31 | Stabile displacement mechanism for welding device |
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| Country | Link |
|---|---|
| CN (1) | CN201076977Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709770B (en) * | 2009-07-01 | 2011-06-15 | 中国科学院光电研究院 | Transmission mechanism |
-
2007
- 2007-07-31 CN CNU2007201219261U patent/CN201076977Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709770B (en) * | 2009-07-01 | 2011-06-15 | 中国科学院光电研究院 | Transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20110731 |