CN202137798U - Punching device for sheet material of dual connecting rods of eccentric shaft - Google Patents
Punching device for sheet material of dual connecting rods of eccentric shaft Download PDFInfo
- Publication number
- CN202137798U CN202137798U CN201120202838U CN201120202838U CN202137798U CN 202137798 U CN202137798 U CN 202137798U CN 201120202838 U CN201120202838 U CN 201120202838U CN 201120202838 U CN201120202838 U CN 201120202838U CN 202137798 U CN202137798 U CN 202137798U
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- eccentric shaft
- patrix
- frame
- counterdie
- double link
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Abstract
The utility model relates to a punching device for sheet materials of dual connecting rods of an eccentric shaft. A motor and a transmission device are connected together and fixed on the lower portion of a frame, and a lower die is fixed on the upper portion of the frame. An upper die when driven by the motor via a linkage mechanism performs vertical punching motion. The upper die is provided with a punch pin array, and the lower die is provided with corresponding punching apertures. The linkage mechanism comprises a main eccentric shaft and dual connecting rods, wherein the main eccentric shaft is arranged on the lower portion of the frame and connected with an output end of the transmission device, both ends of the main eccentric shaft are provided with journals with same eccentric direction and eccentric magnitude, the dual connecting rods are respectively arranged on both sides of the frame, one ends of the dual connecting rods are installed on the journals of the main eccentric shaft, and the other ends of the dual connecting rods are installed in sliding bearings of the upper die so as to be hinged onto the left and right sides of the upper die. The punching device is advantageous in that additional pressure of a moving die on fixed parts at a direction perpendicular to motion direction and friction can be reduced, moving stability can be enhanced, maintenance cost can be cut down, the integral gravity of the frame is lowered, noises and size of eccentric shaft are reduced, the structure is simplified, and the performance is reliable.
Description
Technical field
The utility model relates to a kind of eccentric shaft double link sheeting hole punched device, mainly is applicable to punching continuously on tablet, is specially adapted to punching on the PVC material.
Background technology
At present, known PVC material hole punched device adopts the crank block mode basically, and not only the frame volume is big, Heavy Weight; And because motor position is positioned at the top of frame; Make that the whole center of gravity of frame is high, noise is big under the duty, in addition slide block and gathering sill (axle) thus between additonal pressure frictional force is bigger greatly; A little less than the rotary part rigidity, serious wear.
Summary of the invention
The utility model technical problem to be solved is to overcome shortcoming of the prior art, and a kind of eccentric shaft double link sheeting hole punched device is provided.
Utility model solves the problems of the technologies described above the technical scheme of being taked: a kind of eccentric shaft double link sheeting hole punched device, comprise motor, transmission device, frame, upper die and lower die, and described counterdie is fixed on upper rack; Motor drives the relative counterdie of patrix through transmission device, link gear in regular turn and does ramming motion up and down; By the guide frame perpendicular positioning, be provided with towards the pin row between patrix and the counterdie, be provided with and should be listed as corresponding punching towards pin at the upper surface of counterdie at the lower surface of patrix; Material is from patrix and following intermode process; Go out the hole row on the material by being listed in towards pin, characteristics are: motor, transmission device are installed in the Lower Half of mechanism, and link gear comprises main eccentric shaft and double link; Wherein
Described main eccentric shaft is installed in frame lower; Link to each other with the output of the transmission device that is installed in frame lower; Motor drives main eccentric shaft through transmission device and rotates; The two ends of main eccentric shaft are installed on the frame through main eccentric shaft bearing respectively, and respectively there is one section axle journal with identical eccentric direction and offset at two ends;
Described double link lays respectively at the both sides of frame, and an end all is installed on the axle journal of main eccentric shaft through the connecting-rod bearing, and the other end all is hingedly mounted in the sliding bearing of patrix and is articulated and connected with the right ends of patrix.
The device of the utility model adopts eccentric shaft double link mode, and the rotation of motor is converted into the ramming motion of mould, and simple and reliable for structure, the motion additional force is little, and parts depreciation is little, economic environmental protection; In addition, transmission mechanism and motor place the frame below, use the center of gravity of whole device to move down, and to the load request reduction of frame, and structure is more firm, have reduced the noise of device duty.
On the such scheme basis, described transmission device is a gear drive, or synchronous belt drive mechanism, or belt gear.
On the such scheme basis, described transmission device is a gear drive, is fixed with a flywheel in the centre position at main eccentric shaft, flywheel and gear drive engagement.Flywheel plays the accumulation of energy effect, in the punching action takes place moment, and the part kinetic energy of flywheel discharges through impulse force, thereby has reduced the burden of motor, has reduced the maximum power dissipation of motor; On the other hand because flywheel has increased the inertia of moving component, thereby make the device more balance of moving.
On the such scheme basis; Described guide frame is guide shaft and guide pin bushing, and guide shaft is installed on the patrix, and guide pin bushing is installed on the counterdie; Or guide shaft is installed on the counterdie; Guide pin bushing is installed on the patrix, and guide shaft stretches into perpendicular positioning in guide pin bushing, and guide shaft matches with guide pin bushing and can only move both vertically up and down to counterdie with the restriction patrix.
On the such scheme basis, described guide shaft and guide pin bushing are provided with four pairs, and guide pin bushing is the sliding bearing form, or are the linear bearing form.
On the such scheme basis; Said double link is hingedly mounted in the sliding bearing of patrix through the small eccentricity axle; This small eccentricity axle has two mating surfaces, and a mating surface cooperates with shaft hole inner wall on the connecting rod, and another mating surface cooperates with the sliding bearing inwall; And there is eccentric e in the axle center disalignment of two mating surfaces.When cause between the upper die and lower die stamping surface not parallel owing to reasons such as mismachining tolerance or rigging errors; Perhaps guide frame be combined with angular error the time, can eliminate this error through the small eccentricity axle, eccentric e is at vertical direction; I.e. projection in the direction of motion of the relative counterdie of patrix also changes thereupon; The length that its effect is equal to connecting rod changes, thereby has adjusted the distance between the upper die and lower die stamping surface, can eliminate mismachining tolerance or rigging error to a certain extent.
On the such scheme basis, described length of connecting rod and main eccentric shaft offset ratio are greater than 50.
On the basis of such scheme, described patrix top outline is an arc, and middle high both sides are low.
The beneficial effect of the utility model is following:
1, the utility model adopts eccentric shaft double link mode to realize the sheeting punching; Farthest reduced the additonal pressure of motion mould relative fixed part perpendicular to the direction of motion; Thereby reduced friction, increased running stability, reduced the maintenance loss of capital of equipment;
2, the utility model is placed on frame lower with motor, and the whole center of gravity of frame is reduced, and reduces noise; Adopt the eccentric shaft drivening rod simultaneously,, further simplify whole mechanical structures because the eccentric shaft volume is little; Reduce the quality of whole machinery, dependable performance, production good economy performance;
3, the utility model has the very big scope of application, can be used for the punching of PVC material, also can be used for other sheeting punching, also can be used for the place of the continuous punching press of other needs.
Description of drawings
Fig. 1 is the broken section structural representation of the embodiment of the utility model.
Fig. 2 is the local structure for amplifying sketch map of connecting rod and patrix hinge portion among Fig. 1.
Label declaration in the accompanying drawing
1-motor 2-gear drive 3-flywheel
4-master's eccentric shaft 41,41 '-axle journal
The 5-frame 6-master eccentric shaft bearing 7-connecting-rod bearing
8,8 '-connecting rod 9-counterdie 10-small eccentricity axle
11-sliding bearing 12-patrix 13-is listed as towards pin
14-guide shaft 15-guide pin bushing.
The specific embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.
See also shown in the local structure for amplifying sketch map that Fig. 1 is connecting rod and patrix hinge portion among Fig. 1 for the broken section structural representation of the embodiment of the utility model and Fig. 2; A kind of eccentric shaft double link sheeting hole punched device comprises motor 1, transmission device, frame 5, patrix 12 and counterdie 9, and described patrix 12 top outlines are arc; Middle high both sides are low; Described counterdie 9 is fixed on frame 5 tops, motor 1 in regular turn through transmission device, link gear drive patrix 12 relative counterdies 9 do about ramming motions, between patrix 12 and the counterdie 9 by the guide frame perpendicular positioning; Lower surface at patrix 12 is provided with towards pin row 13; Upper surface at counterdie 9 is provided with and is somebody's turn to do towards the 13 corresponding punchings of pin row, and sheeting is from patrix 12 and 9 processes of counterdie, by on sheeting, go out the hole row towards pin row 13.
Described guide frame is guide shaft 14 and guide pin bushing 15, and guide shaft 14 is installed on the patrix 12, and guide pin bushing 15 is installed on the counterdie, and guide shaft 14 stretches into perpendicular positioning in guide pin bushing 15.Described guide shaft 14 is provided with four pairs with guide pin bushing 15, and guide pin bushing 15 is the sliding bearing form.
Described link gear comprises main eccentric shaft 4 and double link 8,8 ', wherein,
Described main eccentric shaft 4 is installed in frame 5 bottoms; Link to each other with the output that is installed in frame 5 lower transmission device; Motor 1 drives main eccentric shaft 4 through transmission device and rotates; The two ends of main eccentric shaft 4 are installed on the frame 5 through main eccentric shaft bearing 6 respectively, and respectively there is one section axle journal 41,41 ' with identical eccentric direction and offset at two ends;
Described double link 8,8 ' lays respectively at the both sides of frame 5; One end all is installed on the axle journal 41,41 ' of main eccentric shaft 4 through the connecting-rod bearing 7; The other end all is fixed with small eccentricity axle 10, and this small eccentricity axle 10 stretches in the sliding bearing 11 that is installed in patrix 12, is articulated and connected with the right ends of patrix 12; Small eccentricity axle 10 has two mating surfaces; One mating surface and connecting rod 8,8 ' hinged shaft hole inner wall cooperate, and another mating surface cooperates with sliding bearing 11 inwalls, and there is eccentric e in the axle center of two mating surfaces.
Described transmission device is a gear drive, or synchronous belt drive mechanism, or belt gear.The transmission device of present embodiment is a gear drive, is fixed with a flywheel 3 in the centre position at main eccentric shaft 4, gear drive and flywheel 3 engagements.
When cause between patrix 12 and the counterdie 9 stamping surface not parallel owing to reasons such as mismachining tolerance or rigging errors; When perhaps guide shaft 14 is combined with angular error with guide pin bushing 15, can eliminate this error through small eccentricity axle 10, as shown in Figure 2; Small eccentricity axle 10 has two mating surfaces; Cooperate with connecting rod 8 and axle sleeve 11 respectively, and there is eccentric e in the axle center of these two mating surfaces, rotates small eccentricity axle 10; Eccentric e promptly also changes in the projection of the direction of motion of patrix 12 relative counterdies 9 at vertical direction thereupon; The length that its effect is equal to connecting rod 8 changes, thereby has adjusted the distance between patrix 12 and counterdie 9 stamping surfaces, can eliminate mismachining tolerance or rigging error to a certain extent.
Flywheel 3 is fixed on the centre position of main shaft 4, plays the accumulation of energy effect, in the punching action takes place moment, and the part kinetic energy of flywheel 3 discharges through impulse force, thereby has reduced the burden of motor 1, has reduced the maximum power dissipation of motor 1; On the other hand because flywheel 3 has increased the inertia of moving component, thereby make the device more balance of moving.
Described double link 8,8 ' length and main eccentric shaft 4 offset ratios are greater than 50.
The action principle of the utility model is:
When motor 1 rotates; Motor 1 output shaft drives main eccentric shaft 4 through gear drive 2 and rotates; When main eccentric shaft 4 rotates because the rotating shaft of the main relatively eccentric shaft 4 of the connecting-rod bearing 7 has certain off-centre, thereby so connecting rod 8,8 ' bearing support part divide the rotating shaft of main relatively eccentric shaft 4 to do revolution drivening rod 8,8 ' motion, the small eccentricity axle 10 of connecting rod 8,8 ' through separately drives patrixes 12 motions with sliding bearing 11; And because the guide shaft of installing on the patrix 12 14 constitutes moving sets with the guide pin bushing 15 that is installed on the counterdie 9; Therefore patrix 12 relative counterdies are done ramming motion up and down, and the pin row 13 relative counterdies 9 that dash that promptly are installed on patrix 12 are done ramming motion up and down, have on the counterdie 9 and the punching that cooperates towards pin row 13; Therefore in the time of between material is through patrix 12 and counterdie 9, can on material, go out the hole row that need.
Claims (8)
1. eccentric shaft double link sheeting hole punched device; Comprise motor (1), transmission device, frame (5), patrix (12) and counterdie (9), described counterdie (9) is fixed on frame (5) top, and motor (1) drives patrix (12) counterdie (9) do ramming motion up and down relatively through transmission device, link gear in regular turn; Between patrix (12) and the counterdie (9) by the guide frame perpendicular positioning; Be provided with towards pin row (13) at the lower surface of patrix (12), the upper surface of counterdie (9) be provided with should be towards (13) the corresponding punching of pin row, sheeting passes through between patrix (12) and counterdie (9); By on sheeting, go out the hole row towards pin row (13); It is characterized in that: described link gear comprises main eccentric shaft (4) and double link (8,8 '), wherein
Described main eccentric shaft (4) is installed in frame (5) bottom; Link to each other with the output that is installed in frame (5) lower transmission device; Motor (1) drives main eccentric shaft (4) through transmission device and rotates; The two ends of main eccentric shaft (4) are installed on the frame (5) through main eccentric shaft bearing (6) respectively, and respectively there is one section axle journal (41,41 ') with identical eccentric direction and offset at two ends;
Described double link (8,8 ') lays respectively at the both sides of frame (5); One end all is installed on the axle journal (41,41 ') of main eccentric shaft (4) through the connecting-rod bearing (7), and the other end all is hingedly mounted in the sliding bearing (11) of patrix (12) and is articulated and connected with the right ends of patrix (12).
2. eccentric shaft double link sheeting hole punched device according to claim 1, it is characterized in that: described transmission device is a gear drive, or synchronous belt drive mechanism, or belt gear.
3. eccentric shaft double link sheeting hole punched device according to claim 3; It is characterized in that: described transmission device is a gear drive; Be fixed with a flywheel (3) in the centre position at main eccentric shaft (4), flywheel (3) and gear drive engagement.
4. eccentric shaft double link sheeting hole punched device according to claim 1; It is characterized in that: described guide frame is guide shaft (14) and guide pin bushing (15); Guide shaft (14) is installed on the patrix (12), and guide pin bushing (15) is installed on the counterdie, or guide shaft (14) is installed on the counterdie (9); Guide pin bushing (15) is installed on the patrix (12), and guide shaft (14) stretches into perpendicular positioning in guide pin bushing (15).
5. eccentric shaft double link sheeting hole punched device according to claim 4 is characterized in that: described guide shaft (14) and guide pin bushing (15) are provided with four pairs, and guide pin bushing (15) is the sliding bearing form, or are the linear bearing form.
6. eccentric shaft double link sheeting hole punched device according to claim 1; It is characterized in that: said double link (8,8 ') is hingedly mounted in the sliding bearing (11) of patrix (12) through small eccentricity axle (10); This small eccentricity axle (10) has two mating surfaces; One mating surface cooperates with the shaft hole inner wall of connecting rod (8,8 '), and another mating surface cooperates with sliding bearing (11) inwall, and the axle center disalignment of two mating surfaces.
7. eccentric shaft double link sheeting hole punched device according to claim 1 is characterized in that: described connecting rod (8,8 ') length and main eccentric shaft (4) offset ratio are greater than 50.
8. eccentric shaft double link sheeting hole punched device according to claim 1 is characterized in that: described patrix (12) top outline is an arc, and middle high both sides are low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120202838U CN202137798U (en) | 2011-06-16 | 2011-06-16 | Punching device for sheet material of dual connecting rods of eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120202838U CN202137798U (en) | 2011-06-16 | 2011-06-16 | Punching device for sheet material of dual connecting rods of eccentric shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137798U true CN202137798U (en) | 2012-02-08 |
Family
ID=45548875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120202838U Expired - Fee Related CN202137798U (en) | 2011-06-16 | 2011-06-16 | Punching device for sheet material of dual connecting rods of eccentric shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217485A (en) * | 2016-07-26 | 2016-12-14 | 深圳市瑞邦精密机械有限公司 | Flat-press flat-die cutting machine with four-bar linkage structure and control method thereof |
| CN113180990A (en) * | 2020-01-14 | 2021-07-30 | 有几园生物科技股份有限公司 | Law motive machine |
-
2011
- 2011-06-16 CN CN201120202838U patent/CN202137798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217485A (en) * | 2016-07-26 | 2016-12-14 | 深圳市瑞邦精密机械有限公司 | Flat-press flat-die cutting machine with four-bar linkage structure and control method thereof |
| CN113180990A (en) * | 2020-01-14 | 2021-07-30 | 有几园生物科技股份有限公司 | Law motive machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20150616 |
|
| EXPY | Termination of patent right or utility model |