CN203091642U - Transmission mechanism of zero-clearance sliding table of multi-station cold header - Google Patents
Transmission mechanism of zero-clearance sliding table of multi-station cold header Download PDFInfo
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- CN203091642U CN203091642U CN 201320130556 CN201320130556U CN203091642U CN 203091642 U CN203091642 U CN 203091642U CN 201320130556 CN201320130556 CN 201320130556 CN 201320130556 U CN201320130556 U CN 201320130556U CN 203091642 U CN203091642 U CN 203091642U
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- slide unit
- transmission mechanism
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- groove
- bearing
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Abstract
The utility model discloses a transmission mechanism of a multi-station cold header, and particularly relates to a transmission mechanism of a zero-clearance sliding table of the multi-station cold header. The transmission mechanism comprises a crankshaft, a punch connecting rod, a sliding table, a sliding table transmission shaft, a machine body and a sliding table guide rail seat, wherein the crankshaft is positioned between the left side wall and the right side wall of the machine body; a supporting plate is erected between the left side wall and the right side wall of the machine body; the sliding table guide rail seat is arranged on the supporting plate; the sliding table is positioned in the sliding table guide rail seat; sliding grooves in two side walls of the sliding table guide rail seat are through grooves; at least two bearing mounting reserved grooves are formed in both the upper side wall and the lower side wall of each through groove; at least two bearing pedestals are embedded on the inner side wall of the machine body corresponding to the through grooves; and second self-aligning roller bearings are hinged to the bearing mounting reserved groove and the bearing pedestals and are matched with the outer surfaces of guiding convex rails. The transmission mechanism solves the technical problem that the transmission mechanism of a conventional multi-station cold header is lower in precise, and has the advantages of high precision, high speed, low noise and convenience for maintenance.
Description
Technical field
The utility model relates to a kind of transmission mechanism of multistage cold former, particularly multistage cold former does not have gap slide unit transmission mechanism.
Background technology
In numerous at home and abroad traditional multi-station cold-heading machineries, the drive mechanism of slide unit all be adopt copper sheathing by bush seat with cooperate with axle again after body is fixed, or copper coin and steel plate cooperate with slide unit after fixing again, or copper coin and slide unit cooperate with steel plate after fixing again, also or the structure that cooperates with slide unit of steel plate.
The defective of this class formation is: 1, because face belongs to sliding friction with cooperating of face, coefficient of friction is big, and the coefficient of thermal expansion of copper sheathing, steel plate is also big, therefore must stay bigger fit clearance, to such an extent as to the precision of traditional multistage cold former is lower, and can not run up; 2, the hardness of copper sheathing, copper coin is low, in use very easily wearing and tearing; 3, can't regulate, must tear the machine maintenance after the wearing and tearing open; Noise was big when 4, big matched in clearance caused multistage cold former work.
The utility model content
The purpose of this utility model is to provide a kind of high accuracy, high-speed, low noise and multistage cold former easy to maintenance not to have gap slide unit transmission mechanism in order to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the designed multistage cold former of the utility model does not have gap slide unit transmission mechanism, comprise bent axle, the drift connecting rod, slide unit, the slide unit power transmission shaft, body and slide unit track base, bent axle is between the wall of the left and right sides of body, and the two ends and the organism sidewall of bent axle are hinge-like, between the wall of the left and right sides of body, also set up gripper shoe, the slide unit guide holder places on the gripper shoe, slide unit is positioned at the slide unit track base, described slide unit both sides are equipped with guide convex rail, above-mentioned guide convex rail respectively with slide unit track base sidewall on slide groove fit, on the medium position of bent axle, be socketed with two semi-ring cylinder roller bearings, the slide unit power transmission shaft is fixed on the slide unit, and be corresponding shape with above-mentioned pair of semi-ring cylinder roller bearing, on the slide unit power transmission shaft, be socketed with first self-aligning roller bearing, one end of described drift connecting rod is socketed on two semi-ring cylinder roller bearings, its other end is socketed on first self-aligning roller bearing, the groove that slides on the described slide unit track base two side is groove, on the two side up and down of each groove, be equipped with at least two bearings preformed groove is installed, on the body inner wall of each groove correspondence, all be embedded with at least two bearing blocks, bearing block on the bearing installation preformed groove on the two side up and down of above-mentioned each groove and the body inner wall of each groove correspondence is all arranged by the sliding trajectory of slide unit, all is hinged with second self-aligning roller bearing and cooperates with the outer surface of guide convex rail in each bearing is installed preformed groove and bearing block.
Cooperate between the guide convex rail described in above-mentioned and second self-aligning roller bearing and be the cooperation of no gap; Cooperating between the described bent axle and first self-aligning roller bearing and between bent axle and the two semi-ring cylinder roller bearings is closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜; Cooperation between the described slide unit power transmission shaft and first self-aligning roller bearing is for closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜.
In order to make the slide unit track base can on the direction vertical, realize the trace adjusting with the slide unit sliding trajectory; all the time guarantee to realize that no gap cooperates between the guide convex rail of guaranteeing slide unit and second self-aligning roller bearing; multistage cold former does not have on the gripper shoe of gap slide unit transmission mechanism also that pad is provided with two wedge regulating blocks in the utility model; above-mentioned two wedge regulating blocks lay respectively at slide unit track base two side under, and all be connected with the adjusting bolt of regulating the wedge regulating block on each wedge regulating block.
For convenience between bearing block and the body and the dismounting between slide unit track base and the body, multistage cold former does not have between the described bearing block and body of gap slide unit transmission mechanism in the utility model, is screw thread between slide unit track base and the body and fixes.
The multistage cold former that the utility model obtains does not have gap slide unit transmission mechanism compared with prior art, make that by bearing block, slide unit track base and wedge regulating block realization no gap rolling cooperates between the slide unit and second self-aligning roller bearing in the utility model, adopted the rolling of face and line to cooperate to replace being slidingly matched of face and face in the tradition, therefore each parts in this mechanism are not easy to wear, long service life can guarantee again that simultaneously slide unit does high-precision moving back and forth; Being bearing simultaneously between bent axle, drift connecting rod and the slide unit three cooperates, drive gap is controlled at minimum, so adopted the multistage cold former of the slide unit transmission mechanism of no gap described in the utility model can realize high accuracy, high running speed at work, noise can also have been reduced to minimum simultaneously.
Description of drawings
Fig. 1 is a transmission multistage cold former slide unit transmission mechanism schematic diagram;
Fig. 2 is the partial sectional view at N-N place among Fig. 1;
Fig. 3 provides multistage cold former not have the structural representation of gap slide unit transmission mechanism among the embodiment 1;
Fig. 4 is the partial sectional view at M-M place among Fig. 3;
Fig. 5 is the partial enlarged drawing at A place among Fig. 4;
Fig. 6 provides multistage cold former not have the structural representation of gap slide unit transmission mechanism among the embodiment 2.
Among the figure: body 1, slide unit track base 2, slide groove 2-1, bearing and preformed groove 2-2, slide unit 3, guide convex rail 3-1, bent axle 4, slide unit power transmission shaft 5, drift connecting rod 6, first self-aligning roller bearing 7, two semi-ring cylinder roller bearing 8, bearing block 9, second self-aligning roller bearing 10, gripper shoe 11, wedge regulating block 12 are installed, are regulated bolt 13, copper coin 14.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1:
As Fig. 3, Fig. 4 and shown in Figure 5, the multistage cold former that present embodiment provides does not have gap slide unit transmission mechanism, comprise bent axle 4, drift connecting rod 6, slide unit 3, slide unit power transmission shaft 5, body 1 and slide unit track base 2, bent axle 4 is between the wall of the left and right sides of body 1, and the two ends of bent axle 4 and body 1 sidewall are hinge-like, between the wall of the left and right sides of body 1, also set up gripper shoe 11, slide unit guide holder 2 places on the gripper shoe 11, slide unit 3 is positioned at slide unit track base 2, described slide unit 3 both sides are equipped with guide convex rail 3-1, above-mentioned guide convex rail 3-1 cooperates with the groove 2-1 that slides on slide unit track base 2 sidewalls respectively, on the medium position of bent axle 4, be socketed with two semi-ring cylinder roller bearings 8, slide unit power transmission shaft 5 is fixed on the slide unit 3, and be corresponding shape with above-mentioned pair of semi-ring cylinder roller bearing 8, be socketed with first self-aligning roller bearing 7 on slide unit power transmission shaft 5, and the cooperation between the slide unit power transmission shaft 5 and first self-aligning roller bearing 7 is for closely movingly, the fit clearance scope is 0.011 ㎜.One end of described drift connecting rod 6 is socketed on two semi-ring cylinder roller bearings 8, its other end is socketed on first self-aligning roller bearing 7, and cooperating between the bent axle 4 and first self-aligning roller bearing 7 and between bent axle 4 and the two semi-ring cylinder roller bearings 8 is closely movingly, the fit clearance scope is 0.011 ㎜, when realizing that bent axle 4 rotatablely moves as circumference, slide unit 3 moves back and forth, the groove 2-1 that slides on described slide unit track base 2 two sides is groove, on the two side up and down of each groove, be equipped with at least two bearings preformed groove 2-2 is installed, on body 1 madial wall of each groove correspondence, all be embedded with at least two bearing blocks 9, bearing block 9 on the bearing installation preformed groove 2-2 on the two side up and down of above-mentioned each groove and body 1 madial wall of each groove correspondence is all arranged by the sliding trajectory of slide unit 3, all is hinged with second self-aligning roller bearing 10 and cooperates with the outer surface of guide convex rail 3-1 in each bearing is installed preformed groove 2-2 and bearing block 9.
Embodiment 2:
As shown in Figure 6; the multistage cold former that present embodiment provides does not have gap slide unit transmission mechanism; its general structure is consistent with embodiment 1; but in order to make slide unit track base 2 can on the direction vertical, realize the trace adjusting with slide unit 3 sliding trajectories; all the time guarantee to realize that no gap cooperates between the guide convex rail 3-1 that guarantees slide unit 3 and second self-aligning roller bearing 10; multistage cold former does not have on the gripper shoe 11 of gap slide unit transmission mechanism also that pad is provided with two wedge regulating blocks 12 in the present embodiment; above-mentioned two wedge regulating blocks 12 lay respectively at slide unit track base 2 two sides under, and all be connected with the adjusting bolt 13 of regulating wedge regulating block 12 on each wedge regulating block 12.
Claims (5)
1. a multistage cold former does not have gap slide unit transmission mechanism, comprise bent axle (4), drift connecting rod (6), slide unit (3), slide unit power transmission shaft (5), body (1) and slide unit track base (2), bent axle (4) is positioned between the left and right sides wall of body (1), and the two ends of bent axle (4) and body (1) sidewall are hinge-like, between the left and right sides wall of body (1), also set up gripper shoe (11), slide unit guide holder (2) places on the gripper shoe (11), slide unit (3) is positioned at slide unit track base (2), described slide unit (3) both sides are equipped with guide convex rail (3-1), above-mentioned guide convex rail (3-1) cooperates with the groove (2-1) that slides on slide unit track base (2) sidewall respectively, it is characterized in that: on the medium position of bent axle (4), be socketed with two semi-ring cylinder roller bearings (8), slide unit power transmission shaft (5) is fixed on the slide unit (3), and be corresponding shape with above-mentioned pair of semi-ring cylinder roller bearing (8), on slide unit power transmission shaft (5), be socketed with first self-aligning roller bearing (7), one end of described drift connecting rod (6) is socketed on two semi-ring cylinder roller bearings (8), its other end is socketed on first self-aligning roller bearing (7), the groove (2-1) that slides on described slide unit track base (2) two side is groove, on the two side up and down of each groove, be equipped with at least two bearings preformed groove (2-2) is installed, on body (1) madial wall of each groove correspondence, all be embedded with at least two bearing blocks (9), bearing block (9) on the bearing installation preformed groove (2-2) on the two side up and down of above-mentioned each groove and body (1) madial wall of each groove correspondence is all arranged by the sliding trajectory of slide unit (3), all is hinged with second self-aligning roller bearing (10) and cooperates with the outer surface of guide convex rail (3-1) in each bearing is installed preformed groove (2-2) and bearing block (9).
2. multistage cold former according to claim 1 does not have gap slide unit transmission mechanism, it is characterized in that: also pad is provided with two wedge regulating blocks (12) on gripper shoe (11), above-mentioned two wedge regulating blocks (12) lay respectively at slide unit track base (2) two side under, and all be connected with the adjusting bolt (13) of regulating wedge regulating block (12) on each wedge regulating block (12).
3. multistage cold former according to claim 1 and 2 does not have gap slide unit transmission mechanism, it is characterized in that: between described bearing block (9) and the body (1), be screw thread between slide unit track base (2) and the body (1) and fix.
4. multistage cold former according to claim 1 and 2 does not have gap slide unit (3) transmission mechanism, it is characterized in that: cooperate between described guide convex rail (3-1) and second self-aligning roller bearing (10) to be the cooperation of no gap; Cooperating between described bent axle (4) and first self-aligning roller bearing (7) and between bent axle (4) and the two semi-ring cylinder roller bearings (8) is closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜; Cooperation between described slide unit power transmission shaft (5) and first self-aligning roller bearing (7) is for closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜.
5. multistage cold former according to claim 3 does not have gap slide unit (3) transmission mechanism, it is characterized in that: cooperate between described guide convex rail (3-1) and second self-aligning roller bearing (10) to be the cooperation of no gap; Cooperating between described bent axle (4) and first self-aligning roller bearing (7) and between bent axle (4) and the two semi-ring cylinder roller bearings (8) is closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜; Cooperation between described slide unit power transmission shaft (5) and first self-aligning roller bearing (7) is for closely movingly, and interstice coverage is between 0.007 ㎜ ~ 0.015 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130556 CN203091642U (en) | 2013-03-21 | 2013-03-21 | Transmission mechanism of zero-clearance sliding table of multi-station cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130556 CN203091642U (en) | 2013-03-21 | 2013-03-21 | Transmission mechanism of zero-clearance sliding table of multi-station cold header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203091642U true CN203091642U (en) | 2013-07-31 |
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ID=48843087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130556 Withdrawn - After Issue CN203091642U (en) | 2013-03-21 | 2013-03-21 | Transmission mechanism of zero-clearance sliding table of multi-station cold header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203091642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143663A (en) * | 2013-03-21 | 2013-06-12 | 宁波海星机械制造有限公司 | Gapless slide unit transmission mechanism of multi-station cold header |
| CN103785787A (en) * | 2013-10-15 | 2014-05-14 | 宁波思进犇牛机械有限公司 | Slipway device of cold heading machine |
-
2013
- 2013-03-21 CN CN 201320130556 patent/CN203091642U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143663A (en) * | 2013-03-21 | 2013-06-12 | 宁波海星机械制造有限公司 | Gapless slide unit transmission mechanism of multi-station cold header |
| CN103143663B (en) * | 2013-03-21 | 2015-08-12 | 宁波海星机械制造有限公司 | Multistage cold former gapless slide unit transmission mechanism |
| CN103785787A (en) * | 2013-10-15 | 2014-05-14 | 宁波思进犇牛机械有限公司 | Slipway device of cold heading machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |