CN210115437U - Sand mold thickness adjusting mechanism of automatic molding machine - Google Patents
Sand mold thickness adjusting mechanism of automatic molding machine Download PDFInfo
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- CN210115437U CN210115437U CN201921004447.0U CN201921004447U CN210115437U CN 210115437 U CN210115437 U CN 210115437U CN 201921004447 U CN201921004447 U CN 201921004447U CN 210115437 U CN210115437 U CN 210115437U
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- gear
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- molding machine
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- top plate
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- 239000004576 sand Substances 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000000465 moulding Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic molding machine's sand mould thickness adjustment mechanism, automatic molding machine includes roof and clamp plate, sand mould thickness adjustment mechanism including install in many regulation poles, a plurality of driven gear, ring gear of roof and have drive gear's drive disk assembly, each the lower extreme of adjusting the pole all links to each other with automatic molding machine's clamp plate, each driven gear with drive gear all with the ring gear meshing, and each driven gear one-to-one ground overcoat in adjust the pole and with adjust pole threaded connection, the scope of the pitch P of screw thread is: p is more than or equal to 2mm and less than or equal to 5 mm. This adjustment mechanism can adjust the thickness of sand mould high-efficiently accurately.
Description
Technical Field
The utility model relates to an automatic molding machine technical field especially relates to a sand mould thickness adjustment mechanism of automatic molding machine.
Background
An automatic molding machine is widely used as a casting device, and mainly comprises a sand box lifting mechanism adopting a four-column structure, a middle frame advancing and retreating mechanism for controlling a template to advance and retreat, a sand shooting mechanism for storing sand and shooting sand, a pushing mechanism for pushing out a sand mold, a cope mechanism and a drag mechanism for compacting and casting the sand.
The sand feeding mechanism is provided with a pressure plate and a top plate located above the pressure plate, and sand is compacted through the pressure plate. In the application process, in order to adapt to different products, the pressing plate needs to be adjusted up and down so as to obtain sand molds with different thicknesses.
Among the prior art, an adjustment mode is that the cushion is installed additional to the manual work, and the adjustment process is loaded down with trivial details and leads to adjusting inefficiency, and another kind of adjustment mode is adjusted through the pneumatic cylinder, though adjusting efficiency has improved, nevertheless, adjusts the precision and hangs down, and the sand mould thickness that leads to producing has great deviation.
In view of this, how to adjust the thickness of the sand mold efficiently and accurately is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatic molding machine's sand mould thickness adjustment mechanism, automatic molding machine includes roof and clamp plate, sand mould thickness adjustment mechanism including install in many regulation poles, a plurality of driven gear, ring gear of roof and have drive gear's driver part, each the lower extreme of adjusting the pole all links to each other with automatic molding machine's clamp plate, each driven gear with drive gear all with the ring gear meshing, and each driven gear overlaps outwards with one-to-one in adjust the pole and with adjust pole threaded connection, the scope of the pitch P of screw thread is: p is more than or equal to 2mm and less than or equal to 5 mm.
When the device is used, the driving gear rotates, the gear ring drives the driven gears to synchronously rotate, the rotation of the driven gears is converted into the up-and-down movement of the adjusting rods and the pressing plates through the threads, and the thread pitch of the threads is small, so that the pressing plates can only move downwards or upwards for a small distance when the driven gears rotate for one circle, and the pressing plates cannot move greatly, and therefore the thickness of the sand mold can be accurately adjusted. Moreover, the pressure plate can be kept at the position under the locking effect of the screw threads after being moved to the position, and other positioning mechanisms are not needed. Moreover, in the adjusting process, only the driving part needs to be operated to open and close, the operation is simple and convenient, and the adjusting efficiency is high.
The automatic molding machine further comprises a first plane bearing, a second plane bearing and a cover plate sleeved outside the adjusting rod, wherein the lower end face of the driven gear is supported on the top plate through the first plane bearing, the cover plate is fixedly connected to the top plate through a bolt, and the cover plate is supported on the upper end face of the driven gear through the second plane bearing.
The automatic molding machine described above further includes a plurality of idlers and a plurality of registration rollers attached to the top plate, wherein the lower end surface of the ring gear is supported by the top plate via the idlers, and the inner circumferential surface or the outer circumferential surface of the ring gear is in contact with the circumferential surface of the registration rollers.
The automatic molding machine further comprises a support, the support comprises a flat plate and an angle plate connected below the flat plate, the angle plate is fixedly connected to the top plate through bolts, the main body of the driving part is installed above the flat plate, a driving shaft of the driving part penetrates through the flat plate and extends to the lower portion of the flat plate, and the driving gear is fixedly sleeved at the lower end of the driving shaft.
In the automatic molding machine, the drive unit is a hydraulic motor.
In the automatic molding machine described above, the ring gear is an outer ring gear.
In the automatic molding machine, each of the driven gears is divided into two groups, and the two groups are symmetrical with respect to a line connecting the center of the driving gear and the center of the ring gear.
Drawings
Fig. 1 is a schematic diagram of a specific embodiment of a sand mold thickness adjusting mechanism provided by the utility model.
The reference numerals in fig. 1 are explained as follows:
101 top plate, 102 pressing plate, 103 adjusting rod, 104 driven gear, 105 gear ring, 106 driving part, 1061 driving gear, 107 first plane bearing, 108 second plane bearing, 109 cover plate, 110 positioning roller, 111 flat plate and 112 angle plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic diagram of a sand mold thickness adjusting mechanism according to an embodiment of the present invention.
The sand mold thickness adjusting mechanism includes a plurality of adjusting rods 103, a plurality of driven gears 104, a ring gear 105, and a driving member 106 with a driving gear 1061, each of which is attached to a top plate 101 of the automatic molding machine.
Wherein, each adjusting rod 103 passes through the top plate 101, and the lower end of each adjusting rod 103 is connected with the pressure plate 102 of the automatic molding machine.
In a specific implementation, a mounting hole may be formed in the pressure plate 102, so that the lower end of the adjusting rod 103 is inserted into the mounting hole in an interference manner. In a specific implementation, the number of the adjusting rods 103 is preferably four or more.
The driven gears 104 are sleeved on the adjusting rods 103 in a one-to-one correspondence manner, inner threads are arranged on the inner circumferential surfaces of the driven gears 104, and outer threads are arranged on the outer circumferential surfaces of the adjusting rods 103, so that the driven gears 104 are in threaded connection with the adjusting rods 103. The range of the pitch P of the thread is: p is more than or equal to 2mm and less than or equal to 5 mm.
In specific implementation, the external thread may be distributed over the outer periphery of the adjusting rod 103, or may be only disposed on a part of the outer periphery of the rod section of the adjusting rod 103.
The driving gear 1061 and each driven gear 104 are meshed with the gear ring 105, so that only one driving gear 1061 needs to be arranged to drive each driven gear 104 to rotate, which is beneficial to structure simplification, and can ensure the rotating synchronism of each driven gear 104, thereby avoiding the risk of deflection in the up-and-down moving process of the pressing plate 102.
In a specific implementation, the driven gears 104 are divided into two groups, and the two groups are symmetrical about a line connecting the center of the driving gear 1061 and the center of the ring gear 105. Therefore, the transmission stability is improved.
When the device is used, the driving gear 1061 rotates, the gear ring 105 drives the driven gears 104 to synchronously rotate, the rotation of the driven gears 104 is converted into the up-and-down movement of the adjusting rods 103 and the pressing plates 102 through threads, and because the thread pitch of the threads is small, the pressing plates 102 only move downwards or upwards for a small distance every time the driven gears 104 rotate for one circle, and cannot move greatly, so that the thickness of the sand mold can be accurately adjusted. Furthermore, the pressure plate 102 can be kept in the position under the locking effect of the screw threads after being moved into the position, and other positioning mechanisms are not needed. In addition, in the adjusting process, only the driving part 106 needs to be operated to open and close, the operation is simple and convenient, and the adjusting efficiency is high.
Specifically, the sand mold thickness adjusting mechanism further comprises a first plane bearing 107, a second plane bearing 108 and a cover plate 109.
The first plane bearing 107 is located between the lower end surface of the driven gear 104 and the top plate 101, so that the lower end surface of the driven gear 104 is supported on the top plate 101 through the first plane bearing 107, and thus, the driven gear 104 is supported, and the rotation of the driven gear 104 is not influenced.
In a specific implementation, the upper plate surface of the top plate 101 is provided with a mounting groove adapted to the race of the first planar bearing 107, and the race of the first planar bearing 107 is fitted in the mounting groove in an interference manner.
The cover plate 109 is sleeved on the adjusting rod 103, and the cover plate 109 is fixedly connected to the top plate 101 through bolts. The cover plate 109 is only loosely fitted over the adjustment lever 103 and does not contact the adjustment lever 103, and therefore does not affect the vertical movement of the adjustment lever 103.
In specific implementation, the cover plate 109 is preferably a triangular plate, and bolts penetrate through all three corners, so that the stability is higher.
The second flat bearing 108 is located between the cover plate 109 and the upper end surface of the driven gear 104, so that the cover plate 109 is supported on the upper end surface of the driven gear 104 through the second flat bearing 108. In this way, the axial position of the driven gear 104 can be defined without affecting the rotation of the driven gear 104, and the transmission stability can be effectively improved by defining the axial position of the driven gear 104.
Specifically, the sand mold thickness adjusting mechanism further comprises a plurality of carrier rollers (not visible in the figure) and a plurality of positioning rollers 110, and the carrier rollers and the positioning rollers are both mounted on the top plate 101.
The carrier rollers are positioned between the lower end surface of the ring gear 105 and the top plate 101, so that the lower end surface of the ring gear 105 is supported on the top plate 101 through the carrier rollers. In this way, the rotation of the ring gear 105 is not affected even though the support of the ring gear 105 is achieved.
In specific implementation, the number of the carrier rollers is preferably four or more, and each carrier roller preferably extends along the radial direction of the gear ring 105 and is uniformly arranged at equal intervals along the circumferential direction of the gear ring 105.
Here, each of the registration rollers 110 is located inside the ring gear 105 or outside the ring gear 105, and the inner circumferential surface or the outer circumferential surface of the ring gear 105 is in contact with the circumferential surface of each of the registration rollers 110. Specifically, in the case of a ring gear, each positioning roller 110 is disposed outside the ring gear 105, and the outer peripheral surface of the ring gear 105 is brought into contact with the circumferential surface of each positioning roller 110; in the case of an outer ring gear, the registration rollers 110 are disposed inside the ring gear 105, and the inner circumferential surface of the ring gear 105 is brought into contact with the circumferential surfaces of the registration rollers 110. Thus, the radial position of the ring gear 105 can be defined without affecting the rotation of the ring gear 105, and the transmission stability can be effectively improved by defining the radial position of the ring gear 105.
In a specific implementation, the number of the positioning rollers 110 is preferably four or more, and each positioning roller 110 preferably extends in the axial direction of the ring gear 105 and is uniformly and equally spaced in the circumferential direction of the ring gear 105.
In a specific implementation, the gear ring 105 is preferably an external gear ring, so that the driven gear 104 and the driving gear 1061 can be arranged on the outer periphery of the gear ring 105, and thus, the installation and maintenance of the driven gear 104 and the driving gear 1061 are more convenient.
Specifically, the sand mold thickness adjusting mechanism further comprises a support, the support comprises a flat plate 111 and an angle plate 112 supported below the flat plate 111, and the angle plate 112 is fixedly connected to the top plate 101 through bolts. In the figure, a flat plate 111 is parallel to the top plate 101, and two corner plates 112 are connected to both ends of the flat plate 111. The main body of the driving member 106 is mounted above the plate 111, the driving shaft of the driving member 106 passes through the plate 111 to extend below the plate 111, and the driving gear 1061 is fixedly fitted on the lower end of the driving shaft. Thus, the driving gear 1061 can be suspended between the plate 111 and the top plate 101 without affecting the rotation of the driving gear 1061.
In specific implementation, the driving part 106 is preferably a hydraulic motor, which has large driving torque, strong driving capability, difficult damage and durability. Of course, the driving member 106 may be a motor, a mechanical pump, or the like.
To sum up, the utility model provides a sand mould thickness adjustment mechanism has high-efficient accurate, easy and simple to handle, transmission stability is high, simple structure, be convenient for install the maintenance, drive torque is big, technical effect such as durable.
The sand mold thickness adjusting mechanism of the automatic molding machine provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. A sand mold thickness adjusting mechanism of an automatic molding machine, the automatic molding machine comprises a top plate (101) and a pressure plate (102), the sand mold thickness adjusting mechanism comprises a plurality of adjusting rods (103) arranged on the top plate (101), a plurality of driven gears (104), a gear ring (105) and a driving part (106) with a driving gear (1061), the lower end of each adjusting rod (103) is connected with the pressure plate (102) of the automatic molding machine, each driven gear (104) and the driving gear (1061) are meshed with the gear ring (105), each driven gear (104) is sleeved outside the adjusting rod (103) in a one-to-one correspondence manner and is in threaded connection with the adjusting rod (103), and the range of the pitch P of the threads is as follows: p is more than or equal to 2mm and less than or equal to 5 mm.
2. A sand mold thickness adjusting mechanism according to claim 1, further comprising a first planar bearing (107), a second planar bearing (108), and a cover plate (109) externally fitted over the adjusting lever (103), wherein the lower end surface of the driven gear (104) is supported on the top plate (101) through the first planar bearing (107), the cover plate (109) is fastened to the top plate (101) by bolts, and the cover plate (109) is supported on the upper end surface of the driven gear (104) through the second planar bearing (108).
3. A sand mold thickness adjusting mechanism according to claim 2, further comprising a plurality of idlers and a plurality of positioning rollers (110) attached to the top plate (101), wherein the lower end surface of the ring gear (105) is supported by the top plate (101) via the idlers, and wherein the inner circumferential surface or the outer circumferential surface of the ring gear (105) is in contact with the circumferential surface of the positioning rollers (110).
4. A sand mold thickness adjusting mechanism according to claim 3, further comprising a support, wherein the support comprises a flat plate (111) and an angle plate (112) connected below the flat plate (111), the angle plate (112) is fixed to the top plate (101) through bolts, the main body of the driving member (106) is installed above the flat plate (111), the driving shaft of the driving member (106) passes through the flat plate (111) and extends below the flat plate (111), and the driving gear (1061) is fixedly sleeved at the lower end of the driving shaft.
5. A sand mould thickness adjustment mechanism according to any one of claims 1 to 4, wherein the drive member (106) is a hydraulic motor.
6. A sand mould thickness adjustment mechanism according to any one of claims 1 to 4, wherein the toothed ring (105) is an external toothed ring.
7. A sand mold thickness adjusting mechanism according to any one of claims 1 to 4, wherein each of the driven gears (104) is divided into two groups, and the two groups are symmetrical with respect to a line connecting the center of the driving gear (1061) and the center of the ring gear (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004447.0U CN210115437U (en) | 2019-06-28 | 2019-06-28 | Sand mold thickness adjusting mechanism of automatic molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004447.0U CN210115437U (en) | 2019-06-28 | 2019-06-28 | Sand mold thickness adjusting mechanism of automatic molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210115437U true CN210115437U (en) | 2020-02-28 |
Family
ID=69616416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921004447.0U Expired - Fee Related CN210115437U (en) | 2019-06-28 | 2019-06-28 | Sand mold thickness adjusting mechanism of automatic molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210115437U (en) |
-
2019
- 2019-06-28 CN CN201921004447.0U patent/CN210115437U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 |