CN111633402A - Multi-bushing three-dimensional multi-direction automatic press-fitting device - Google Patents
Multi-bushing three-dimensional multi-direction automatic press-fitting device Download PDFInfo
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- CN111633402A CN111633402A CN202010521044.4A CN202010521044A CN111633402A CN 111633402 A CN111633402 A CN 111633402A CN 202010521044 A CN202010521044 A CN 202010521044A CN 111633402 A CN111633402 A CN 111633402A
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- press
- fitting
- shaped seat
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- guide rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/008—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the assembling machines or tools moving synchronously with the units while these are being assembled
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Abstract
The invention discloses a multi-bushing three-dimensional multi-direction automatic press-mounting device, which comprises a plurality of groups of movable vertical independent automatic press-mounting heads and movable horizontal independent automatic press-mounting heads which are matched with each other, wherein each vertical independent automatic press-mounting head comprises a bottom plate, a support which moves along the X direction is erected on the bottom plate, a connecting plate which moves along the Y direction is erected on the front end face of the support, a first C-shaped seat which moves along the Z direction is erected on the front end face of the connecting plate, a liftable upper die press-mounting head is installed at the end part of the upper end part of the connecting plate, and a liftable guide pin I is installed at the end part of the lower end; the horizontal independent automatic press-fitting head comprises a base, a base guide rail is arranged on the base, a movable C-shaped seat II is mounted on the base guide rail, the C-shaped seat II is horizontally arranged, a horizontally moving press-fitting head is mounted at one end of the C-shaped seat II, and a guide pin II is mounted at the other end of the C-shaped seat II. The invention greatly reduces the equipment investment cost, greatly improves the production efficiency, improves the press fitting quality and the press fitting precision, and is particularly suitable for the press fitting of the bushings required by high-end chassis suspension products.
Description
The technical field is as follows:
the invention relates to the field of press mounting of automobile chassis, in particular to a multi-bushing three-dimensional multi-direction automatic press mounting device.
Background art:
in the existing chassis press-fitting technology, the traditional method is single-angle and independent press-fitting one by one, so that the equipment investment is large, the cost is high, the working hours are wasted, and the production efficiency is low; and the problems of dislocation, crushing of the bush and the like occur in the pressing-in process, and the requirement of high-quality batch processing production cannot be met. The multi-direction automatic press-fitting device can monitor the variation of the pressing force and the displacement of the lining in real time, ensure the accurate assembly of the lining and the rear auxiliary frame of the automobile chassis, and avoid the damage of the lining and the rear auxiliary frame of the automobile chassis. And the firmness and stability of the chassis are ensured under the condition of extreme road conditions.
The invention content is as follows:
the invention aims to make up for the defects of the prior art, provides the multi-bushing three-dimensional multi-direction automatic press-fitting device, greatly reduces the equipment investment cost, obviously improves the production efficiency, improves the press-fitting quality and the press-fitting precision, and ensures the press-fitting performance of the chassis suspension.
The invention is realized by the following technical scheme:
the utility model provides a three-dimensional multi-direction automatic pressure equipment device of many bushes which characterized in that: the automatic vertical independent press-mounting device comprises a plurality of groups of movable vertical independent automatic press-mounting heads and movable horizontal independent automatic press-mounting heads which are matched with each other, wherein each vertical independent automatic press-mounting head comprises a bottom plate, a support which moves in the X direction is erected on the bottom plate, a connecting plate which moves in the Y direction is erected on the front end face of the support, a first C-shaped seat which moves in the Z direction is erected on the front end face of the connecting plate, the first C-shaped seat is vertically arranged, a liftable upper die press-mounting head is installed at the end part of the upper end part of the first C-shaped seat, the upper die press-mounting head is driven by a first servo electric cylinder above the upper die press-mounting head to lift, a liftable guide pin I is installed at the end part of the lower end part of the; the horizontal independent automatic press-fitting head comprises a base, a base guide rail is arranged on the base, a movable C-shaped seat II is mounted on the base guide rail, the C-shaped seat II is horizontally arranged, a horizontally moving press-fitting head is mounted at one end of the C-shaped seat II, the press-fitting head is driven by a servo electric cylinder I behind the press-fitting head, and a pilot pin II is mounted at the other end of the press-fitting head.
The movable vertical independent automatic press-mounting head and the movable horizontal independent automatic press-mounting head are respectively in a group of two.
Perpendicular independent automatic pressure equipment head adjustable on spatial position, be equipped with two X side by side to the guide rail on its bottom plate, two supports are all installed on the mounting panel, the bottom of mounting panel be equipped with X to guide rail direction complex guide slot, the cylinder drive of its removal through its one side of mounting panel, the preceding terminal surface of support is equipped with two Y side by side respectively to the guide rail, the rear end face of connecting plate be equipped with Y to guide rail complex guide way, the cylinder drive of the removal of connecting plate on Y to the guide rail through leading a round pin bottom, the preceding terminal surface of connecting plate is equipped with two Z to the guide rail side by side respectively, the rear end face of C type seat one is equipped with Z to guide rail complex draw-in groove, the Z of C type seat one is to the servo electric jar drive of removal through the pressure equipment overhead.
An upper die press-mounting travel guide rail matched with the upper die press-mounting head in a lifting and guiding manner is installed in the C-shaped seat I, a displacement sensor is installed on the upper die press-mounting travel guide rail, and a pressure sensor is installed on the upper die press-mounting head.
The pressing head of the upper die pressing head is fixed on an upper die through a bushing, elastic rubber is clamped in a bushing inner hole of the bushing, a plurality of layers of clamping holes which are arranged at intervals in a staggered mode are distributed on the circumferential surface of the bushing, and steel balls are clamped in the clamping holes.
The clamping holes of each layer are respectively two and are symmetrically arranged, and the clamping holes of the upper layer and the clamping holes of the lower layer are staggered by 90 degrees.
The moving of the second C-shaped seat is driven by an air cylinder at one end of the second C-shaped seat, one side of the second C-shaped seat is provided with a stroke limiting mechanism, the stroke limiting mechanism comprises limiting seats arranged at intervals along the length direction of the base sliding rail, guide rods are rotatably arranged between the limiting seats, a sliding seat matched with the guide rods in a guiding mode is arranged on the guide rods, the sliding seat is connected with the second C-shaped seat through a connecting plate, and springs are sleeved on the guide rods between the sliding seat and the two limiting seats.
And a press-fitting travel guide rail in guide fit with the press-fitting head is arranged in the C-shaped seat II, and a displacement sensor is arranged on the press-fitting travel guide rail.
The principle is as follows: the lower die guide pin is driven by the cylinder to work and enter the press-fitting hole, is automatically coaxially aligned with the press-fitting hole under the drive of the guide pin, and is driven by the servo electric cylinder to perform press-fitting, and the magnitude of the pressing-in force is sensed by a pressure sensor; the method comprises the following steps of (1) carrying out displacement, wherein signals of force and displacement are sensed by a displacement sensor and are collected by the sensor, the signals are transmitted to a PLC (programmable logic controller) for processing, and process monitoring is carried out; the press-in force is smaller than or larger than a set value to alarm; detecting the press mounting position, and alarming when the press mounting position is not pressed; the front bushing, the rear bushing and the differential bushing are used for error proofing; each bushing is independent of one press-fitting head; each press-fitting head can float within the manufacturing tolerance range of the product; each press-fitting head floats to adapt to welding deformation and angle deviation caused by the welding deformation; each press-fitting head is coaxial with the C-shaped seat; the device comprises a servo electric cylinder, a pressure sensor, a bushing automatic guide mechanism and a displacement sensor; the pressure sensor is connected with the servo electric cylinder, and the servo electric cylinder and the pressure sensor connected with the servo electric cylinder form a press-fitting power head; the press-fitting power head is coaxial with the corresponding automatic bush guide mechanism; the displacement sensor is arranged on one side of the power head.
The invention has the advantages that:
the invention has reasonable structural design, greatly reduces the equipment investment cost, greatly improves the production efficiency, improves the press fitting quality and the press fitting precision, and is particularly suitable for the press fitting of the bushings with high-end requirements for chassis suspension products.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a vertical independent automatic press-fitting head.
Fig. 3 is a schematic structural view of the horizontal independent automatic press-fitting head.
Fig. 4 is an enlarged partial view of the floating device for securing the press-fit bush.
The specific implementation mode is as follows:
see the drawings.
A multi-bushing three-dimensional multi-direction automatic press-mounting device comprises four mutually matched movable vertical independent automatic press-mounting heads 1, 2, 5 and 6 and two movable horizontal independent automatic press-mounting heads 3 and 4, the vertical independent automatic press-mounting heads 1, 2, 5 and 6 respectively comprise a bottom plate 21, a support 22 moving along the X direction is erected on the bottom plate 21, the front end face of the support 22 is provided with a connecting plate 23 moving along the Y direction, the front end face of the connecting plate 23 is provided with a C-shaped seat 24 moving along the Z direction, the C-shaped seat 24 is vertically arranged, the end part of the upper die is provided with a liftable upper die press-fitting head 25, the lifting of the upper die press-fitting head 25 is driven by a first servo electric cylinder 26 above the upper die press-fitting head, the end part of the lower end part of the guide pin I27 is provided with a liftable guide pin I27, and the lifting of the guide pin I27 is driven by an air cylinder 28 at the bottom end of the guide pin I; the horizontal independent automatic press-fitting heads 3 and 4 comprise a base 31, a base guide rail 32 is arranged on the base 31, a movable C-shaped seat II 33 is installed on the base guide rail 32, the C-shaped seat II 33 is horizontally arranged, one end of the C-shaped seat II is provided with a press-fitting head 34 moving horizontally, the press-fitting head 34 is driven by a servo electric cylinder 35 at the rear of the press-fitting head 34, and the other end of the press-fitting head is provided with a guide pin II 36.
The vertical independent automatic press-fitting heads 1, 2, 5 and 6 are adjustable in spatial position, two parallel X-direction guide rails 29 are arranged on a bottom plate 21, the two supports 22 are both arranged on a mounting plate, the bottom end of the mounting plate is provided with a guide groove which is matched with the X-direction guide rail 29 in a guiding way, the mounting plate is driven by a cylinder on one side, two parallel Y-guide rails 201 are respectively arranged on the front end surface of the support 22, the rear end face of the connecting plate is provided with a guide groove matched with the Y-direction guide rail 201, the connecting plate moves on the Y-direction guide rail 201 and is driven by a cylinder at the bottom end of the guide pin, the front end surface of the connecting plate is respectively provided with two parallel Z-direction guide rails 202, the rear end surface of the C-shaped seat I24 is provided with a clamping groove matched with the Z-direction guide rails 202, the Z-direction movement of the C-shaped seat one 24 is driven by a servo cylinder one 26 above the upper die press-fitting head 25.
An upper die press-fitting travel guide rail 205 matched with the upper die press-fitting head 25 in a lifting and guiding manner is arranged in the C-shaped seat I24, a displacement sensor 203 is arranged on the upper die press-fitting travel guide rail 205, and a pressure sensor 204 is arranged on the upper die press-fitting head.
The pressing head 14 of the upper die pressing head is fixed on an upper die through a bushing, elastic rubber 13 is clamped in a bushing inner hole of the bushing, a plurality of layers of clamping holes 15 which are arranged in a staggered mode at intervals are distributed on the circumferential surface of the bushing, each layer of clamping holes 15 are symmetrically arranged, the upper layer of clamping holes and the lower layer of clamping holes are arranged in a staggered mode at 90 degrees, and steel balls 11 and 12 are clamped in the clamping holes 15.
The second C-shaped seat 33 is driven by a cylinder 37 at one end of the second C-shaped seat, a stroke limiting mechanism 38 is arranged on one side of the second C-shaped seat 33, the stroke limiting mechanism 38 comprises limiting seats arranged at intervals along the length direction of the base slide rail, guide rods are rotatably arranged between the limiting seats, a slide seat matched with the guide rods in a guiding manner is arranged on the guide rods, the slide seat is connected with the second C-shaped seat 33 through a connecting plate, and springs are sleeved on the guide rods between the slide seat and the two limiting seats.
And a press-fitting travel guide rail 39 in guide fit with the press-fitting head is arranged in the C-shaped seat II 33, and a displacement sensor 40 is arranged on the press-fitting travel guide rail 39.
The specific operation steps are as follows: and (4) putting the rear auxiliary frame into a preset position to start operation, wherein 6 electric cylinders are in a return-to-zero state. Firstly, two front bushings in one direction are installed, and then two rear bushings are installed on an upper die assembling head; 4 press-mounting heads are arranged on the upper die, each press-mounting head adopts a steel ball floating mode to suspend 4 bushings on the upper die, two adjacent rows of steel balls are distributed in a staggered mode at an angle of 90 degrees, and errors are prevented through a sensor; afterloading in the other direction, two differential bushings; the horizontal two differential bushing press-fitting heads adopt a ball head floating mechanism and a steel ball floating mode in the radial direction, and the left and right bushings are also prevented from being mistaken by machinery and a sensor. After the press fitting is finished, automatic press fitting is carried out, electric cylinders in several directions reach a designated press fitting position, guide pins of all press fitting heads are driven by the air cylinders to work, accurate coaxial positioning is carried out, the whole power head floats to a coaxial axis position through a guide rail, after a lining and a press fitting hole are accurate and coaxial, the press fitting of the lining is started, and when the lining just enters, a steel ball floating mechanism and a ball head floating mechanism automatically carry out coaxial fine adjustment so as to ensure that the lining and the press fitting hole are completely coaxial, and the lining and a damaged auxiliary frame are avoided; meanwhile, an indentation force-displacement curve is formed, indentation force monitoring is carried out in the press-mounting process, when the indentation force is smaller than or larger than a set value, the system can be stopped by alarming, so that the press-mounting performance, namely press-release force, of the auxiliary frame bushing is ensured, and the firmness and stability of the chassis suspension are ensured; and continuing the press fitting process until the bushing is pressed to the theoretical tolerance position and exceeds or falls short of the required position, feeding back signals by the sensor, giving an alarm by the monitoring system, and returning the electric cylinders to the original point after the bushing is pressed. Thus, the three-dimensional multi-direction automatic press mounting of 6 bushings of the four-wheel-drive rear auxiliary frame is completed.
Claims (8)
1. The utility model provides a three-dimensional multi-direction automatic pressure equipment device of many bushes which characterized in that: the automatic vertical independent press-mounting device comprises a plurality of groups of movable vertical independent automatic press-mounting heads and movable horizontal independent automatic press-mounting heads which are matched with each other, wherein each vertical independent automatic press-mounting head comprises a bottom plate, a support which moves in the X direction is erected on the bottom plate, a connecting plate which moves in the Y direction is erected on the front end face of the support, a first C-shaped seat which moves in the Z direction is erected on the front end face of the connecting plate, the first C-shaped seat is vertically arranged, a liftable upper die press-mounting head is installed at the end part of the upper end part of the first C-shaped seat, the upper die press-mounting head is driven by a first servo electric cylinder above the upper die press-mounting head to lift, a liftable guide pin I is installed at the end part of the lower end part of the; the horizontal independent automatic press-fitting head comprises a base, a base guide rail is arranged on the base, a movable C-shaped seat II is mounted on the base guide rail, the C-shaped seat II is horizontally arranged, a horizontally moving press-fitting head is mounted at one end of the C-shaped seat II, the press-fitting head is driven by a servo electric cylinder I behind the press-fitting head, and a pilot pin II is mounted at the other end of the press-fitting head.
2. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: the movable vertical independent automatic press-mounting head and the movable horizontal independent automatic press-mounting head are respectively in a group of two.
3. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: perpendicular independent automatic pressure equipment head adjustable on spatial position, be equipped with two X side by side to the guide rail on its bottom plate, two supports are all installed on the mounting panel, the bottom of mounting panel be equipped with X to guide rail direction complex guide slot, the cylinder drive of its removal through its one side of mounting panel, the preceding terminal surface of support is equipped with two Y side by side respectively to the guide rail, the rear end face of connecting plate be equipped with Y to guide rail complex guide way, the cylinder drive of the removal of connecting plate on Y to the guide rail through leading a round pin bottom, the preceding terminal surface of connecting plate is equipped with two Z to the guide rail side by side respectively, the rear end face of C type seat one is equipped with Z to guide rail complex draw-in groove, the Z of C type seat one is to the servo electric jar drive of removal through the pressure equipment overhead.
4. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: an upper die press-mounting travel guide rail matched with the upper die press-mounting head in a lifting and guiding manner is installed in the C-shaped seat I, a displacement sensor is installed on the upper die press-mounting travel guide rail, and a pressure sensor is installed on the upper die press-mounting head.
5. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: the pressing head of the upper die pressing head is fixed on an upper die through a bushing, elastic rubber is clamped in a bushing inner hole of the bushing, a plurality of layers of clamping holes which are arranged at intervals in a staggered mode are distributed on the circumferential surface of the bushing, and steel balls are clamped in the clamping holes.
6. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 5, wherein: the clamping holes of each layer are respectively two and are symmetrically arranged, and the clamping holes of the upper layer and the clamping holes of the lower layer are staggered by 90 degrees.
7. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: the moving of the second C-shaped seat is driven by an air cylinder at one end of the second C-shaped seat, one side of the second C-shaped seat is provided with a stroke limiting mechanism, the stroke limiting mechanism comprises limiting seats arranged at intervals along the length direction of the base sliding rail, guide rods are rotatably arranged between the limiting seats, a sliding seat matched with the guide rods in a guiding mode is arranged on the guide rods, the sliding seat is connected with the second C-shaped seat through a connecting plate, and springs are sleeved on the guide rods between the sliding seat and the two limiting seats.
8. The multi-bushing three-dimensional multi-directional automatic press-fitting device according to claim 1, wherein: and a press-fitting travel guide rail in guide fit with the press-fitting head is arranged in the C-shaped seat II, and a displacement sensor is arranged on the press-fitting travel guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521044.4A CN111633402A (en) | 2020-06-10 | 2020-06-10 | Multi-bushing three-dimensional multi-direction automatic press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521044.4A CN111633402A (en) | 2020-06-10 | 2020-06-10 | Multi-bushing three-dimensional multi-direction automatic press-fitting device |
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| Publication Number | Publication Date |
|---|---|
| CN111633402A true CN111633402A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010521044.4A Pending CN111633402A (en) | 2020-06-10 | 2020-06-10 | Multi-bushing three-dimensional multi-direction automatic press-fitting device |
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| CN (1) | CN111633402A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975345A (en) * | 2021-03-10 | 2021-06-18 | 机械工业第九设计研究院有限公司 | Combined type press-fitting machine for rear auxiliary frame bushing |
| CN114083487A (en) * | 2021-12-02 | 2022-02-25 | 若宇汽车装备工业（昆山）有限公司 | Press mounting equipment |
-
2020
- 2020-06-10 CN CN202010521044.4A patent/CN111633402A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975345A (en) * | 2021-03-10 | 2021-06-18 | 机械工业第九设计研究院有限公司 | Combined type press-fitting machine for rear auxiliary frame bushing |
| CN114083487A (en) * | 2021-12-02 | 2022-02-25 | 若宇汽车装备工业（昆山）有限公司 | Press mounting equipment |
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