CN202763189U - Biplate bearing bush radius and height synchronous precise broaching device - Google Patents
Biplate bearing bush radius and height synchronous precise broaching device Download PDFInfo
- Publication number
- CN202763189U CN202763189U CN 201220355257 CN201220355257U CN202763189U CN 202763189 U CN202763189 U CN 202763189U CN 201220355257 CN201220355257 CN 201220355257 CN 201220355257 U CN201220355257 U CN 201220355257U CN 202763189 U CN202763189 U CN 202763189U
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- biplate
- broaching
- bearing bush
- clamping
- bearing shell
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Abstract
The utility model discloses a biplate bearing bush radius and height synchronous precise broaching device. The structure of the device comprises a feeding mechanism, a clamping and positioning mechanism and a horizontal type broaching mechanism. The clamping and positioning mechanism comprises an upper semi-circle mold and a clamping block. The upper semi-circle mold is matched with the shape of a biplate coaxial abreast bearing bush. The clamping block is matched with the upper half-circle mold and positioned on a clamping seat. The clamping block is in a full floating and elastic expansion type three-point pressing structure. The biplate bearing bush radius and height synchronous precise broaching device solves the technical problem of simultaneous clamping and positioning of a biplate bearing bush, improves processing efficiency, and is high in precision degree and good in safety.
Description
Technical field
The utility model relates to a kind of bearing shell broaching process equipment, especially a kind of device of biplate bearing bush radius height synchronous precise broaching.
Background technology
In the processing technology of bearing shell: first with the sheet metal raw material according to the designing requirement blanking, utilize punch press that blanking is processed into semicircular bearing bush billet by diel, with special purpose machine tool lip, internal diameter and watt open height of bearing shell are further processed processing, formed finished product at last.Existing bearing shell height broaching lathe, comprise clamp mechanism and broaching mechanism in the structure, described clamp mechanism comprises upper semi-circle mould and supporting clamp, described clamp is fixed on and clamps on the block, and described clamping block forms clamping structure by straight up driving and bearing shell, the upper semi-circle mould of clamping cylinder; Described broaching mechanism comprises by the straight-line broaching tool of driving mechanism.But existing bearing shell height broaching lathe adopts manual mode that bearing shell is put into bin mostly, moves in the upper semi-circle mould again, finishes at last the processing of bearing shell watt mouth by adjusting surface broach and inboard rose reamer, processes a slice at every turn, last manually feeding.Because this device adopts manual operation, have that precision is low, production efficiency is low, labour intensity is large, the shortcoming of poor stability.
Notification number is the isolated plant that the patent of CN 201154404Y discloses a kind of bearing shell height processing, it comprises vertically to vertical broaching mechanism and is used for being installed of spacing, locking bearing shell, detent mechanism, and described vertical broaching mechanism is mainly by the twice broaching tool of two end faces of corresponding watt mouth and supporting straight line driving mechanism form respectively.Whole device adopts control system automatically to control, and has reduced manual operations, has guaranteed stablizing and precision of processing.But this device only can be processed a slice bearing shell at every turn; And the range of work is little, precision is low, the factor that affects the bearing bush radius height precision has a lot: the accuracy that is installed and locates, the size of clamping force even a molecule that adheres on clamping front axle watt surface, location all may affect the precision of its radial height, and the precision of the radial height of bearing shell directly has influence on the Sleeve assembling magnitude of interference, can't guarantee the technical performance of crankshaft rod system.This device can't be realized two bearing shells of broaching synchronously.
The utility model content
The technical problems to be solved in the utility model provides a kind of device of full-automatic biplate bearing bush radius height synchronous precise broaching, it adopts the location of all-floating structure, the precision that clamping has realized the biplate bearing shell to clamp and the location, has improved production efficiency, machining accuracy and the security performance of bearing shell.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of device of biplate bearing bush radius height synchronous precise broaching, comprise clamping positioning mechanism and horizontal broaching mechanism in the structure, described clamping positioning mechanism comprise the upper semi-circle mould that is complementary with the coaxial side by side bearing shell of biplate shape and match with the upper semi-circle mould, be positioned at the clamp on the clamping seats, described clamp is full floating, bullet 3 compressing structures of formula that rise.
Described clamping seats has vertically to the free degree of lifting by clamping cylinder, comprises the ground floor rocker piece that is connected with described contiguous block with the contiguous block of clamping cylinder location, by symmetrical elastomeric element and the second layer rocker piece that is connected with the ground floor rocker piece by symmetrical elastomeric element in its structure; Described second layer rocker piece is comprised of two symmetrically arranged back-up blocks; Cooperates the formation all-floating structure by square groove and half-cylindrical projection between described contiguous block and the ground floor rocker piece and between ground floor rocker piece and the back-up block.
Described clamp by two independently with bearing shell in toroidal is complementary and three-point fix clamps pressure head consist of, described two pressure heads are connected with described back-up block by elastomeric element respectively and by there being the rise square groove of function and half-cylindrical projection of bullet to cooperate and form the unsteady clamping structure that rises that supports.
In described clamping positioning mechanism, set up the unsteady detent mechanism that presets of biplate bearing shell, the described unsteady detent mechanism that presets comprises the retainer plate of four watts of mouth end faces of support biplate bearing shell and the retainer seat of spacing retainer plate, wherein three retainer plates are positioned at same level, the 4th retainer plate has elasticity and is higher than other three retainer plates, and described retainer seat forms to float by lever and retainer cylinder and upper semi-circle mould and presets location structure.
The beneficial effect that adopts technique scheme to produce is: (1) the utility model adopts the clamp of all-floating structure, by cooperating of right angle groove and half-cylindrical projection, can guarantee two bearing shell producing balanced forces, simultaneously every bearing shell also can producing balanced forces, thereby realize that clamp independently clamps respectively two bearing shells simultaneously, has overcome the technical problem that existing clamp can't clamp the biplate bearing shell simultaneously; (2) set up the unsteady detent mechanism that presets of biplate bearing shell, realization precisely is preset at two bearing shells in the upper semi-circle mould, because one of them retainer plate has the bullet amount, has overcome two inconsistent inaccurate defectives of presetting bit that cause of bearing bush billet radial height, location and the precision that clamps have been guaranteed; (3) increased pressurized cylinder on the basis of clamping cylinder and carried out supercharging, not only increased clamping force, and accelerated the broaching operation rhythm, saved the working space of hold facility; (4) on the basis that guarantees machining accuracy, the utility model can be processed two bearing shells at every turn simultaneously, has improved operating efficiency; (5) preset positioning compression mechanism by control and management mechanism controls clamping positioning mechanism, broaching mechanism and feeding, realize automatic loading/unloading, automatic pre-set positioning compression, Automatic-clamping and automatically broaching, greatly reduce hand labor intensity, strengthened simultaneously the security of work.
Description of drawings
Fig. 1 is the utility model feed mechanism and floats and preset the front view structural representation of detent mechanism;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the main TV structure schematic diagram of the utility model clamping positioning mechanism;
Wherein, 5-1, feeding cylinder, 5-2, feeding line slideway, 5-3, feed appliance, 5-4, retainer plate, 5-5, retainer seat, 5-6, lever, 5-7, retainer cylinder, 5-8, pedestal, 1-1, contiguous block, 1-2, ground floor rocker piece, 1-3, second layer rocker piece, 1-4, clamp, 1-5, upper semi-circle mould, 1-6 bearing shell, the half-cylindrical projection of 1-7, the 1-8 insufflation channel.
Below in conjunction with accompanying drawing the utility model is described in detail.
The specific embodiment
Comprise control and management mechanism and supporting executing agency in the structure of the present utility model, comprise feed mechanism, clamping positioning mechanism and horizontal broaching mechanism in the structure of described executing agency, described clamping positioning mechanism comprise the upper semi-circle mould 1-5 that is complementary with biplate bearing shell shape and match with upper semi-circle mould 1-5, be positioned at the clamp 1-4 on the clamping seats, described clamp 1-4 is full floating, bullet 3 compressing structures of formula that rise.
Described clamping seats has the vertical free degree to lifting by clamping cylinder, referring to Fig. 3, comprise the contiguous block 1-1 that is connected with clamping cylinder in the structure of described clamping seats, the ground floor rocker piece 1-2 that is connected with described contiguous block 1-1 by symmetrically arranged elastomeric element and the second layer rocker piece 1-3 that is connected with ground floor rocker piece 1-2 by symmetrically arranged elastomeric element; Described second layer rocker piece 1-3 is comprised of two separate back-up blocks; Form floating structure by square groove and half-cylindrical protruding 1-7 between described contiguous block 1-1 and the ground floor rocker piece 1-2 and between ground floor rocker piece 1-2 and the back-up block.Ground floor rocker piece 1-2 guarantees that two bearing shells are stressed evenly, and second layer rocker piece guarantees every bearing shell producing balanced forces.Described elastomeric element can be spring, shell fragment or elastomeric material etc.
Described clamp 1-4 by two independently with bearing shell in toroidal is complementary and three-point fix clamps pressure head consist of, described two pressure heads are connected with described two back-up blocks respectively by elastomeric element and cooperate the formation floating structure by square groove and half-cylindrical protruding 1-7.
Be provided with homoaxial long through-hole in the middle and upper part of pressure head, between through hole and right angle groove, be provided with the groove with the pressure head symmetry division.When the clamping cylinder drive ram moved upward, the point on pressure head top at first contacted with bearing shell, spacing, then utilizes right angle groove and semicolumn projection 1-7 to cooperate the pressure head support is risen, and 2 of two ends contact, compress with bearing shell respectively.
Described upper semi-circle mould 1-5 is provided with the insufflation channel 1-8 that blows to biplate bearing shell 1-6.The particle that in the time of under the biplate bearing shell is sent to upper semi-circle mould 1-5, insufflation channel 1-8 blows out gases at high pressure, may be attached on the bearing shell blows off, guarantees the precision processing of bearing bush radius height.
Clamping cylinder is by supercharge cylinders.Larger clamping force is to realize precision machined important guarantee, if because clamping force is inadequate, can cause bearing shell moving in the broaching process, and the broaching precision reduces.The utility model adopts cylinder to the clamping cylinder supercharging, has not only increased clamping force, and has saved taking up room of equipment.
Also set up the unsteady detent mechanism that presets of biplate bearing shell in the described clamping positioning mechanism, the described unsteady detent mechanism that presets comprises the retainer plate 5-4 of four watts of mouth end faces of support biplate bearing shell and the retainer seat 5-5 of spacing retainer plate 5-4, wherein three retainer plates are positioned at same level, and the 4th retainer plate has elasticity and be higher than other three retainer plates; Described retainer seat 5-4 is by lever 5-6 and retainer cylinder 5-7 and upper semi-circle mould 1-5 formation floating shaft bushing presets, location structure.The end of described lever 5-6 is connected with retainer cylinder 5-7 power end, and the other end is connected with retainer seat 5-5 bottom, forms the multiplying lever structure by being arranged on the upper axle as fulcrum of lever 5-6; When retainer cylinder 5-7 moved downward, lever 5-6 perk retainer seat 5-5 was to realize the amplification of picking-up power.Adopt lever 5-6 can realize the amplification of thrust, thereby accurately, securely bearing shell is preset, is positioned on the upper semi-circle mould.Float preset, location structure is that follow-up clamping is ready.
The described mechanism that broaches comprises respectively twice broaching tool and the cutter of falling the interior angle and the supporting straight line driving mechanism of corresponding biplate bearing shell watt mouth end face.
Described feed mechanism comprises the feed appliance 5-3 that has the horizontal free degree by feeding cylinder 5-1, and described feed mechanism, retainer seat 5-4 are positioned on the same pedestal 5-8, is synchronized with the movement by straight line driving mechanism and the broaching tool of broaching tool.To retainer plate 5-4 top, the biplate bearing shell that holds up on the feed appliance 5-3 by supporting mechanism, retainer plate 5-4 presets the positioning compression structure with the formation of upper semi-circle mould by the horizontal drive of feeding cylinder 5-1, feed appliance 5-3 horizontal movement.When feeding cylinder 5-1 is in contraction state, two bearing shells side by side are placed on the feed appliance 5-3; When the piston rod of feeding cylinder 5-1 stretches out, the pushed top to retainer plate 5-4 of feed appliance 5-3, and corresponding with the position of retainer plate 5-4 location bearing shell.Meanwhile, feeding cylinder 5-1 moves with broaching tool, with feed appliance 5-3 deliver under the upper semi-circle mould 1-5, the shape of bearing shell shape and upper semi-circle mould just coincide.
After bearing shell preset, is positioned on the upper semi-circle mould 1-5, clamping cylinder drove clamp 1-4 and moves upward, and firmly bearing shell 1-6 is clamped; And by the pressurized cylinder supercharging, clamping force is further increased, thereby guarantee that in broaching tool broaching process, two bearing shells can be motionless.Described control and management mechanism comprises control feed mechanism, clamping positioning mechanism and horizontal broaching mechanism.
To sum up, the course of work of control and management mechanism controls of the present utility model is:
1. two bearing shells are placed on the feed appliance 5-3, feeding cylinder 5-1 promotes push rod with two on the feed appliance 5-3 side by side bearing shell clampings, and promotion feed appliance 5-3 moves forward to retainer plate 5-4 top;
2. meanwhile, pedestal 5-8 moves along line slideway and feeding cylinder under the promotion of broaching oil cylinder in the same way together with broaching tool, and retainer plate 5-4 is moved to upper semi-circle mould below; Retainer cylinder 5-7 lifts the retainer seat by lever together with retainer plate, two bearing shells have been sent into positioning compression in the upper semi-circle mould;
3. feeding cylinder 5-1 shrinks and drives feed appliance 5-3 back and forth movement, and meanwhile, clamping cylinder drives clamp and moves upward, and the biplate bearing shell is securely fixed in the upper semi-circle mould 1-5;
4. the oil cylinder of broaching shrinks, drives the broaching tool back and forth movement, finishes simultaneously bearing shell watt mouth broaching and the interior angle that falls; Discharging.
Repeating step 1. ~ step 4..
Claims (10)
1. the device of biplate bearing bush radius height synchronous precise broaching, comprise clamping positioning mechanism and horizontal broaching mechanism in the structure, it is characterized in that described clamping positioning mechanism comprise the upper semi-circle mould (1-5) that is complementary with the coaxial side by side bearing shell of biplate shape and match with upper semi-circle mould (1-5), be positioned at the clamp (1-4) on the clamping seats, described clamp (1-4) is full floating, bullet 3 compressing structures of formula that rise.
2. the device of biplate bearing bush radius height synchronous precise according to claim 1 broaching, it is characterized in that described clamping seats has vertically to the free degree of lifting by clamping cylinder, comprise the contiguous block (1-1) that is connected with clamping cylinder in its structure, the ground floor rocker piece (1-2) that is connected with described contiguous block (1-1) by symmetrical elastomeric element and the second layer rocker piece (1-3) that is connected with ground floor rocker piece (1-2) by symmetrical elastomeric element; Described second layer rocker piece (1-3) is comprised of two symmetrically arranged back-up blocks; Cooperates the formation all-floating structure by square groove and half-cylindrical projection between described contiguous block (1-1) and the ground floor rocker piece (1-2) and between ground floor rocker piece (1-2) and the back-up block.
3. the device of biplate bearing bush radius height synchronous precise according to claim 2 broaching, it is characterized in that described clamp (1-4) by two independently with bearing shell in toroidal is complementary and three-point fix clamps pressure head consist of, described two pressure heads are connected with described back-up block by elastomeric element respectively and by there being the rise square groove of function and half-cylindrical projection of bullet to cooperate and form the unsteady clamping structure that rises that supports.
4. the device of biplate bearing bush radius height synchronous precise broaching according to claim 3 is characterized in that being provided with homoaxial long through-hole in the middle and upper part of pressure head, is provided with the groove with the pressure head symmetry division between long through-hole and right angle groove.
5. the device of biplate bearing bush radius height synchronous precise broaching according to claim 1 is characterized in that described upper semi-circle mould (1-5) is provided with the insufflation channel (1-8) that blows to biplate bearing shell (1-6) surface.
6. the device of biplate bearing bush radius height synchronous precise broaching according to claim 2 is characterized in that described clamping cylinder is by supercharge cylinders.
7. the device of biplate bearing bush radius height synchronous precise according to claim 1 broaching, it is characterized in that in described clamping positioning mechanism, having set up the unsteady detent mechanism that presets of biplate bearing shell, the described unsteady detent mechanism that presets comprises the retainer plate (5-4) of four watts of mouth end faces of support biplate bearing shell and the retainer seat (5-5) of spacing retainer plate (5-4), wherein three retainer plates are positioned at same level, the 4th retainer plate has elasticity, and be higher than other three retainer plates, described retainer seat (5-4) forms the unsteady location structure that presets by lever (5-6) and retainer cylinder (5-7) with upper semi-circle mould (1-5).
8. the device of biplate bearing bush radius height synchronous precise broaching according to claim 7 is characterized in that the described mechanism that broaches comprises respectively twice broaching tool and the cutter of falling the interior angle and the supporting straight line driving mechanism of corresponding biplate bearing shell watt mouth end face.
9. the device of biplate bearing bush radius height synchronous precise according to claim 8 broaching, characterized by further comprising feed mechanism, comprise in the structure of described feed mechanism by feeding cylinder (5-1) and drive the feed appliance (5-3) with horizontal free degree, described feed mechanism, retainer seat (5-5) are positioned on the same pedestal (5-8), and described pedestal (5-8) is synchronized with the movement by straight line driving mechanism and broaching tool.
10. require the device of 8 described biplate bearing bush radius height synchronous precises broaching according to power, characterized by further comprising the control and management mechanism of control feed mechanism, clamping positioning mechanism and horizontal broaching mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355257 CN202763189U (en) | 2012-07-23 | 2012-07-23 | Biplate bearing bush radius and height synchronous precise broaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355257 CN202763189U (en) | 2012-07-23 | 2012-07-23 | Biplate bearing bush radius and height synchronous precise broaching device |
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| Publication Number | Publication Date |
|---|---|
| CN202763189U true CN202763189U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220355257 Expired - Lifetime CN202763189U (en) | 2012-07-23 | 2012-07-23 | Biplate bearing bush radius and height synchronous precise broaching device |
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| CN (1) | CN202763189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506689A (en) * | 2013-10-14 | 2014-01-15 | 新乡特种机床制造有限责任公司 | Bearing bush broaching machine clamping device |
-
2012
- 2012-07-23 CN CN 201220355257 patent/CN202763189U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506689A (en) * | 2013-10-14 | 2014-01-15 | 新乡特种机床制造有限责任公司 | Bearing bush broaching machine clamping device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |