CN210061236U - Reciprocating type cutter mechanism - Google Patents
Reciprocating type cutter mechanism Download PDFInfo
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- CN210061236U CN210061236U CN201920420369.6U CN201920420369U CN210061236U CN 210061236 U CN210061236 U CN 210061236U CN 201920420369 U CN201920420369 U CN 201920420369U CN 210061236 U CN210061236 U CN 210061236U
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- eccentric wheel
- bearing
- cutter mechanism
- reciprocating
- eccentric
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Abstract
The utility model discloses a reciprocating type cutter mechanism, including eccentric wheel, eccentric wheel support to and the transmission assembly of setting on the eccentric wheel, the rotatable setting of eccentric wheel is on the eccentric wheel support, the eccentric wheel is used for being connected with solid cutter unit spare through the transmission assembly to can drive solid cutter unit spare upper and lower reciprocating motion, the transmission assembly includes connecting rod, fixed axle and first bearing, the one end of connecting rod is rotationally set up through first bearing the surface of fixed axle, the fixed axle is fixed in the eccentric shaft hole of eccentric wheel. Therefore, the utility model has the advantages of the structure is simpler, compacter, make things convenient for the dismouting more, wholly more stable, and the precision is higher, process more easily.
Description
Technical Field
The utility model relates to a cutting bed field especially relates to a reciprocating type cutter mechanism.
Background
The cutting bed is a processing device which can cut materials by driving the cutting knife to reciprocate, and the reciprocating motion track of the cutting knife determines the cutting efficiency and the cutting effect of the materials, so that a mechanism which drives the cutting knife to reciprocate is very important in the cutting bed. For example, chinese patent document CN 105970590 a discloses a cutting device of an automatic cutting system, which includes a frame, a cutter extending up and down, an X-direction moving support, a Y-direction moving support, and an up-down moving mechanism, wherein the X-direction moving support is mounted on the frame and can move along the front-back direction, the Y-direction moving support is mounted on the X-direction moving support and can move along the left-right direction, the up-down moving mechanism is mounted on the Y-direction moving support, a cutter fixing rod capable of rotating and reciprocating up and down is disposed in the up-down moving mechanism, and the upper end of the cutter is fixedly connected with the lower end of the cutter fixing rod.
The cutting device of the automatic cutting system in the prior art has the following problems:
first, lines 1-5 of paragraph [0060] of this prior art specification disclose the following: the second transmission unit comprises a rotatable eccentric shaft, an elastic connecting sheet and at least one group of guide bearing groups, the eccentric shaft is rotatably arranged in the driving shaft and is eccentrically arranged with the driving shaft, the elastic connecting sheet comprises an upper section deformation transmission part and a lower end vertical transmission part, the upper end of the upper section deformation transmission part is fixedly connected with the end part of the eccentric shaft through a screw, and the lower end of the lower section vertical transmission part is fixedly connected with the upper end of the cutter fixing rod through a screw.
Meanwhile, lines 3-5 of paragraph [0061] in the specification disclose the following: one end of the driving shaft is provided with a containing cavity, a first bearing seat fixedly connected with the driving shaft is arranged in the containing cavity, and the eccentric shaft is rotatably supported in the first bearing seat through a first bearing.
The disadvantages of such a design are: 1. the second transmission unit is complex in structure and complex in connection relation with the driving shaft, and is inconvenient to disassemble and assemble, multiple in fault points and higher in cost.
2. The second transmission unit in the prior art comprises a rotatable eccentric shaft, an elastic connecting sheet and at least one group of guide bearing sets, wherein the eccentric shaft is rotatably arranged in the driving shaft and is eccentrically arranged with the driving shaft, namely, a counterweight unit or a counterweight block is not arranged in the eccentric device, the dynamic balance cannot be adjusted, the stability is poor, the mechanism is easy to swing, and the noise is also large.
Second, paragraph [0061] penultimate line of this prior art specification discloses the following: the drive shaft is rotatably supported in the second bearing housing by a second bearing; as can be seen from fig. 3 in the drawings of this patent document, two bearing chambers are provided at a predetermined interval in the second bearing housing, and two second bearings are provided in the two bearing chambers, respectively, that is, the two second bearings are provided at a predetermined interval.
The disadvantages of such a design are: 1. the two second bearings at a preset interval are concentric bearings, are difficult to process and are generally sold independently, the concentricity is difficult to guarantee, and the error of the concentricity directly influences the matching precision and the use condition of the workpiece; therefore, it is difficult to satisfy the requirement of high precision with such a design.
2. In the design, the two second bearings are separated by a preset distance, the length of the cantilever is increased, the cantilever is not compact enough in structure, the whole equipment is difficult to refine, and the longer the cantilever is, the larger the overturning force is, so that the mechanism is easy to shake or even topple, and the whole stability is influenced.
3. Two independent bearing chambers are arranged in the second bearing seat, so that the bearing seat is high in processing difficulty and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reciprocating type cutter mechanism that the structure is simpler, compacter, make things convenient for the dismouting more, wholly more stable, and the precision is higher, process more easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the reciprocating type cutter mechanism comprises an eccentric wheel, an eccentric wheel support and a transmission assembly arranged on the eccentric wheel, wherein the eccentric wheel is rotatably arranged on the eccentric wheel support, the eccentric wheel is connected with a cutter fixing assembly through the transmission assembly and can drive the cutter fixing assembly to reciprocate up and down, the transmission assembly comprises a connecting rod, a fixed shaft and a first bearing, one end of the connecting rod is rotatably arranged on the outer surface of the fixed shaft through the first bearing, and the fixed shaft is fixed in an eccentric shaft hole of the eccentric wheel.
As the improvement of the utility model, the eccentric wheel support includes the bearing frame and sets up the second bearing in the bearing frame, the eccentric wheel passes through the second bearing and sets up in the bearing frame.
As an improvement of the present invention, the inner wall of the bearing seat is provided with a bearing chamber, and at least two second bearings are arranged side by side in the bearing chamber.
As an improvement of the utility model, the utility model also comprises a cutter fixing component for fixing the cutter.
As an improvement of the utility model, the solid knife subassembly is including solid handle of a knife, the axle sleeve that is used for the solid fixed handle of a knife of solid to and the round pin axle, the round pin axle is used for the other end of connecting axle sleeve and connecting rod.
As an improvement of the utility model, the utility model also comprises a guide sleeve, the guide sleeve is at least sleeved on the outer surface of the shaft sleeve.
As an improvement of the utility model, the guide sleeve support is characterized by further comprising a guide sleeve seat, and the guide sleeve is fixed on the eccentric wheel support through the guide sleeve seat.
As the utility model discloses an improvement, still include the drive spindle, the drive spindle cover is established the axle head of eccentric wheel, just the drive spindle is used for being connected with the power supply.
As an improvement of the utility model, the utility model also comprises a cutter, the cutter is fixed on the fixed cutter handle.
As an improvement of the utility model, a counterweight structure is also arranged on the eccentric wheel.
The utility model discloses following beneficial effect has: 1. the transmission unit of the utility model has simpler structure, simple connection relation with the eccentric wheel, fewer fault points, more convenient assembly and disassembly and lower cost; 2. the eccentric wheel is provided with a counterweight design, so that the whole structure is more stable, the swing is not easy to occur, and the noise is lower; 3. the inner wall of the bearing seat is provided with a bearing chamber, at least two second bearings are arranged in the bearing chamber side by side, and the two second bearings are designed according to the same precision requirement, so that the precision is higher, and the high-precision requirement can be met; 4. the two second bearings are arranged in the same bearing chamber side by side, so that the length of the cantilever is shortened, the structure is more compact, the whole equipment can be more delicate, the overturning force is smaller, the mechanism cannot shake, and the whole stability is better; 5. only one bearing chamber is arranged in the bearing seat, so that the processing difficulty of the bearing seat is lower, and the manufacturing cost is lower.
Drawings
Fig. 1 is a schematic perspective exploded view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the fully assembled structure;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a front view of the knife holder assembly and knife of FIG. 1;
FIG. 6 is a side view of FIG. 5;
fig. 7 is a cross-sectional view taken along line B-B of fig. 5.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
referring to fig. 1 to 7, fig. 1 to 7 disclose an embodiment of a reciprocating cutter mechanism, which is a reciprocating cutter mechanism, and the reciprocating cutter mechanism includes an eccentric wheel 1, an eccentric wheel bracket 2, and a transmission assembly 3 disposed on the eccentric wheel 1, wherein the eccentric wheel 1 is rotatably disposed on the eccentric wheel bracket 2, the eccentric wheel 1 is used for being connected with a cutter fixing assembly 4 through the transmission assembly 3 and driving the cutter fixing assembly 4 to reciprocate up and down, the cutter fixing assembly 4 is used for fixing a cutter 7, in this embodiment, the reciprocating cutter mechanism further includes a driving spindle 6, the driving spindle 6 is sleeved on a shaft end 11 of the eccentric wheel 1, and the driving spindle 6 is used for being connected with a power source. The transmission assembly 3 comprises a connecting rod 31, a fixed shaft 32 and a first bearing 33, wherein one end 311 of the connecting rod is rotatably arranged on the outer surface of the fixed shaft 32 through the first bearing 33, and the fixed shaft 32 is fixed in the eccentric shaft hole 10 of the eccentric wheel 1. In the embodiment, when the cutting tool is used, a power source (not shown) is connected to the driving main shaft 6, when the power source is started, the power source drives the driving main shaft 6 to rotate, the driving main shaft 6 drives the eccentric wheel 1 to move in the eccentric wheel bracket 2, the fixed shaft 32 also moves along with the eccentric wheel 1, and under the action of the first bearing 33, the eccentric wheel 13 moves and simultaneously drives the connecting rod 31 to move up and down in a reciprocating manner, so that the cutting tool 7 on the cutting tool fixing assembly 4 and the cutting tool fixing assembly 4 connected with the connecting rod 31 are driven to move up and down in a reciprocating manner, and thus the cutting tool 7 can cut up and down in a reciprocating manner. The utility model discloses simple structure, the fault point is still less, does benefit to the installation and dismantles simultaneously more to for prior art, the utility model discloses transmission assembly 3 simple structure, and eccentric wheel 1 between the relation of connection also simpler, the fault point still less, the dismouting is also more convenient, and the cost is lower.
The utility model discloses in, eccentric wheel support 2 includes bearing frame 21 and the second bearing 22 of setting in bearing frame 21, eccentric wheel 1 sets up in bearing frame 21 through second bearing 22. Specifically, a bearing chamber 210 is arranged on the inner wall of the bearing seat 21, at least two second bearings 22 are arranged in the bearing chamber 210 side by side, and the two second bearings 22 are designed according to the same precision requirement, so that the precision is higher, and the high-precision requirement can be met; in addition, the two second bearings 22 are arranged in the same bearing chamber 210 side by side, so that the length of the cantilever is shortened, the structure is more compact, the whole equipment can be more delicate, the overturning force is smaller, the mechanism cannot shake, and the whole stability is better; finally, only one bearing chamber 210 is arranged in the bearing seat, so that the bearing seat 21 is lower in processing difficulty and lower in manufacturing cost.
The utility model discloses in, still including solid sword subassembly 4, solid sword subassembly 4 is including solid handle of a knife 41, the axle sleeve 42 that is used for fixed solid handle of a knife 41 to and round pin axle 43, round pin axle 43 is used for connecting axle sleeve 42 and the other end 312 of connecting rod, solid sword subassembly 4 is used for stationary knife 7 to drive cutter 7 under the effect of connecting rod 31 and make upper and lower reciprocating motion.
The utility model discloses in, still include uide bushing 5, 5 at least covers of uide bushing are established axle sleeve 42 surface, uide bushing 5 plays the effect of direction to the upper and lower motion of axle sleeve 42. In addition, in order to better fix the guide sleeve 5, a guide sleeve seat 50 is further included, and the guide sleeve 5 is fixed on the eccentric wheel bracket 2 through the guide sleeve seat 50.
The utility model discloses in, still include cutter 7, cutter 7 is fixed on the solid handle of a knife 41.
In this embodiment, as shown in fig. 4, still be equipped with the counter weight design on the eccentric wheel 1, promptly still be equipped with counter weight structure 12 on the eccentric wheel 1, in this embodiment, specifically, counter weight structure 12 is a cavity of establishing on eccentric wheel 1, and this cavity setting is in the one end that is used for fixed transmission assembly 3 of eccentric wheel 1, eccentric shaft hole 10 sets up in this cavity, transmission assembly 3 passes through the fixed axle 32 to be fixed in eccentric shaft hole 10 department of eccentric wheel 1, counter weight structure 12 can make the utility model discloses can adjust dynamic balance better, whole more stable, the difficult swing that appears, the noise is also littleer.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. The utility model provides a reciprocating type cutter mechanism, includes eccentric wheel (1), eccentric wheel support (2) to and transmission assembly (3) of setting on eccentric wheel (1), eccentric wheel (1) rotatable setting is on eccentric wheel support (2), eccentric wheel (1) is used for being connected with solid sword subassembly (4) through transmission assembly (3) to can drive solid sword subassembly (4) up-and-down reciprocating motion, its characterized in that, transmission assembly (3) include connecting rod (31), fixed axle (32) and first bearing (33), one end (311) of connecting rod rotationally sets up through first bearing (33) the surface of fixed axle (32), fixed axle (32) are fixed in eccentric shaft hole (10) of eccentric wheel (1).
2. The reciprocating cutter mechanism as claimed in claim 1, wherein the eccentric wheel holder (2) comprises a bearing housing (21) and a second bearing (22) disposed within the bearing housing (21), the eccentric wheel (1) being disposed within the bearing housing (21) via the second bearing (22).
3. The reciprocating cutter mechanism according to claim 2, wherein the inner wall of the bearing housing (21) is provided with a bearing chamber (210), and at least two second bearings (22) are arranged side by side in the bearing chamber (210).
4. The reciprocating cutter mechanism as claimed in claim 1 or 2, further comprising a cutter fixing assembly (4) for fixing the cutter (7).
5. The reciprocating cutter mechanism as claimed in claim 4, wherein the cutter fixing assembly (4) comprises a cutter fixing handle (41), a bushing (42) for fixing the cutter fixing handle (41), and a pin shaft (43), the pin shaft (43) being used for connecting the bushing (42) and the other end (312) of the connecting rod.
6. The reciprocating cutter mechanism of claim 5, further comprising a guide sleeve (5), wherein the guide sleeve (5) is at least sleeved on the outer surface of the shaft sleeve (42).
7. The reciprocating cutter mechanism according to claim 6, further comprising a guide sleeve holder (50), wherein the guide sleeve (5) is fixed to the eccentric wheel holder (2) by the guide sleeve holder (50).
8. The reciprocating cutter mechanism as claimed in claim 1 or 2, further comprising a driving spindle (6), wherein the driving spindle (6) is sleeved on the shaft end (11) of the eccentric wheel (1), and the driving spindle (6) is used for being connected with a power source.
9. The reciprocating cutter mechanism of claim 5, further comprising a knife (7), the knife (7) being secured to the stationary shank (41).
10. The reciprocating cutter mechanism as claimed in claim 1 or 2, wherein a counterweight structure (12) is further provided on the eccentric (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420369.6U CN210061236U (en) | 2019-03-29 | 2019-03-29 | Reciprocating type cutter mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420369.6U CN210061236U (en) | 2019-03-29 | 2019-03-29 | Reciprocating type cutter mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210061236U true CN210061236U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920420369.6U Active CN210061236U (en) | 2019-03-29 | 2019-03-29 | Reciprocating type cutter mechanism |
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| CN (1) | CN210061236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910075A (en) * | 2019-03-29 | 2019-06-21 | 中山市中科智能制造研究院有限公司 | A kind of reciprocating cutter mechanism |
-
2019
- 2019-03-29 CN CN201920420369.6U patent/CN210061236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910075A (en) * | 2019-03-29 | 2019-06-21 | 中山市中科智能制造研究院有限公司 | A kind of reciprocating cutter mechanism |
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