CN211135527U - Push-and-pull device for sintering powder pressed compact - Google Patents
Push-and-pull device for sintering powder pressed compact Download PDFInfo
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- CN211135527U CN211135527U CN201921990056.0U CN201921990056U CN211135527U CN 211135527 U CN211135527 U CN 211135527U CN 201921990056 U CN201921990056 U CN 201921990056U CN 211135527 U CN211135527 U CN 211135527U
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Abstract
The utility model discloses a push-pull device for sintering powder pressed compact, which comprises a bottom frame and a guide bracket, wherein the guide bracket comprises a first crossbeam and a second crossbeam, a first longitudinal guide plate is connected between one end of the first crossbeam and one end of the second crossbeam, a second longitudinal guide plate is connected between the other end of the first crossbeam and the other end of the second crossbeam, a first longitudinal beam and a second longitudinal beam are also connected between the first crossbeam and the second crossbeam, and a plurality of first support guide wheels and second support guide wheels are respectively and rotatably connected between the first longitudinal guide plate and the first longitudinal beam and between the second longitudinal guide plate and the second longitudinal beam; still be provided with lead screw nut mechanism between crossbeam one and crossbeam two, the both ends of lead screw are rotated and are connected between crossbeam one and crossbeam two still be provided with in the push-and-pull device and be used for driving lead screw pivoted driving motor mechanism, driving motor mechanism is connected with the one end cooperation of lead screw, is provided with on the nut seat of lead screw nut mechanism and pushes away the drag hook, open on the graphite cake and push away the pull hole that the drag hook complex pushes away.
Description
Technical Field
The utility model relates to a push-and-pull device especially relates to a push-and-pull device that powder pressed compact sintering was used.
Background
Cemented carbide is an alloy material made from a hard compound of refractory metals and a binder metal by a powder metallurgy process. The hard alloy has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness and wear resistance, basically keeps unchanged even at the temperature of 500 ℃, and still has high hardness at the temperature of 1000 ℃. Cemented carbide is widely used as a tool material, such as turning tools, milling cutters, planing tools, drill bits, boring tools and the like, for cutting cast iron, nonferrous metals, plastics, chemical fibers, graphite, glass, stone and common steel, and also for cutting refractory steel, stainless steel, high manganese steel, tool steel and other materials which are difficult to process.
When the hard alloy is produced, raw material powder is pressed in a die to form a pressed compact, the pressed compact of the powder is filled in a graphite boat, and finally the graphite boat is sent into a sintering furnace for sintering. When mass production is carried out, a plurality of graphite boats filled with powder green compacts are usually placed on a graphite plate, and then the graphite plate is sent into a sintering furnace to be sintered; after sintering, the graphite plate needs to be pulled out of the sintering furnace.
In the prior art, the feeding and removal of graphite plates into and out of the sintering furnace was done manually. However, since the graphite plates are plate-shaped, the operation is not good in the process of pushing and pulling, the graphite plates are prone to deviation and cannot be smoothly fed into or pulled out of the sintering furnace at one time, and the production efficiency is affected. In addition, because of the high sintering temperature, if the graphite plate is pushed and pulled manually, the safety threat can be caused to the operators.
Through searching, the patent documents which are the same as or similar to the patent documents in the application are not discovered for a while.
In summary, how to design a push-pull device for sintering a powder pressed compact so that the push-pull device can quickly feed a graphite plate loaded with a graphite boat into a sintering furnace or pull the graphite plate out of the sintering furnace, which improves the production efficiency and can eliminate the safety threat of the sintering temperature to operators is a technical problem which is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the defect that exists among the prior art, provide a push-and-pull device that powder pressed compact sintering was used, it can be with the graphite cake that carries the graphite boat send into the fritting furnace fast in or pull out from the fritting furnace, improved production efficiency and can eliminate the safety threat that sintering temperature caused to operating personnel, the security is high.
In order to solve the technical problem, the technical scheme adopted by the utility model is that the push-pull device for sintering the powder pressed compact comprises a bottom frame and a guide bracket arranged on the top of the bottom frame, wherein the guide bracket comprises a first cross beam and a second cross beam, a first longitudinal guide plate is connected between one end of the first cross beam and one end of the second cross beam, a second longitudinal guide plate is connected between the other end of the first cross beam and the other end of the second cross beam, a first longitudinal beam and a second longitudinal beam are also connected between the first cross beam and the second cross beam, a plurality of first supporting guide wheels are also sequentially and rotatably connected between the first longitudinal guide plate and the first longitudinal beam along the length direction of the first longitudinal guide plate, a plurality of second supporting guide wheels are also sequentially and rotatably connected between the second longitudinal guide plate and the second longitudinal beam along the length direction of the second longitudinal guide plate, and the distance L between the first longitudinal guide plate and the second;
a screw rod nut mechanism is also arranged between the first cross beam and the second cross beam and is positioned between the first longitudinal beam and the second longitudinal beam, the length direction of a screw rod of the screw rod nut mechanism is consistent with the length direction of the first longitudinal guide plate and the second longitudinal guide plate, two ends of the screw rod are rotatably connected between the first cross beam and the second cross beam, the push-pull device is also provided with a driving motor mechanism for driving the screw rod to rotate, the driving motor mechanism is connected with one end of the screw rod in a matching way, a push-pull hook is arranged on a nut seat of the feed screw nut mechanism, a push-pull hole is arranged on the graphite plate, the push-pull hook hooks the push-pull hole when in work, the driving motor mechanism drives the screw rod nut mechanism to move, the push-pull hook drives the graphite plate to move back and forth along the length direction of the screw rod, so that the graphite plate loaded with the graphite boat is rapidly fed into or pulled out of the sintering furnace.
Preferably, the nut seat is U-shaped, one end of the push-pull hook is positioned in a U-shaped opening of the U-shaped nut seat, and the connecting pin sequentially penetrates through one side edge of the U-shaped nut seat, one end of the push-pull hook and the other side edge of the U-shaped nut seat, so that one end of the push-pull hook is rotatably connected to the nut seat.
Preferably, the width T1 of the push-pull hole along the length direction of the screw rod is larger than the thickness T2 of the other end of the push-pull hook.
Preferably, a first limiting plate and a second limiting plate are further arranged between the first bearing seat and the second bearing seat along the length direction of the screw rod, and the screw rod and the nut seat are located between the first limiting plate and the second limiting plate.
Preferably, the guide bracket is fixedly connected to the bottom frame, the driving motor mechanism comprises a motor arranged at the bottom of the bottom frame, a first chain wheel is arranged on an output shaft of the motor, a second chain wheel is arranged at one end of the screw rod, and the first chain wheel and the second chain wheel are in transmission connection in a matching mode through a chain.
Preferably, the guide bracket is movably connected to the bottom frame, a plurality of vertical screw rods are arranged at the bottom of the guide bracket, the plurality of vertical screw rods penetrate through the top of the bottom frame and then are locked on the top of the bottom frame through nuts, the driving motor mechanism comprises a motor arranged on the guide bracket, and the motor is in transmission connection with one end of the screw rod in a matched mode through a coupling.
The beneficial effects of the utility model reside in that: the utility model discloses a set up the push-and-pull hole on the graphite cake, set up the push-and-pull hook on screw-nut mechanism, utilize the push-and-pull hook to catch on the graphite cake push-and-pull hole to realize carrying the removal of the graphite cake of graphite boat under screw-nut mechanism's drive, avoided the manual work to come push-and-pull graphite cake like this, sintering high temperature causes the emergence of safety problem to operating personnel. In addition, a guide channel is formed between the first longitudinal guide plate and the second longitudinal guide plate, so that the movement of the graphite plate is guided through the guide channel, the deviation phenomenon of the graphite plate is avoided, the graphite plate loaded with the graphite boat can be quickly fed into or pulled out of the sintering furnace, and the production efficiency is improved. The push-pull hook is rotatably connected to the nut seat, and the push-pull hook capable of rotating is matched with the push-pull hole, so that the operation of workers is more convenient and faster, and the processing efficiency is further improved. Through setting up the width T1 of push-and-pull hole along lead screw length direction is greater than the thickness T2 of the other end of push-and-pull hook, can be convenient for like this push-and-pull hole or follow the push-and-pull hole and rotate out of the smooth rotation of the other end of push-and-pull hook. The first limiting plate and the second limiting plate are used for limiting the moving nut seat, so that the shaking of the nut seat during moving is reduced, and the stability of pushing and pulling the graphite plate is guaranteed. Through with guide bracket swing joint on the chassis, can adjust guide bracket's height according to the high position of the fire door of fritting furnace like this, thereby make the utility model discloses can be applicable to the fritting furnace of different models.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present invention;
fig. 2 is a schematic view of a partial three-dimensional structure at a guide bracket in embodiment 1 of the present invention;
fig. 3 is a schematic view of a partial three-dimensional structure at a guide bracket when graphite plates are pushed and pulled according to embodiment 1 of the present invention;
FIG. 4 is a partial perspective view of the push-pull hook of FIG. 2;
fig. 5 is a schematic view of the structural principle of the graphite plate pushed into the sintering furnace by the pushing and pulling hook hooking the pushing and pulling hole in embodiment 1 of the present invention;
fig. 6 is a schematic view of the structural principle of the graphite plate when the graphite plate is pulled out from the sintering furnace by hooking the push-pull hole with the push-pull hook in embodiment 1 of the present invention;
fig. 7 is a schematic front view of embodiment 2 of the present invention;
in the figure: 1. the device comprises an underframe, 2 parts of a guide bracket, 3 parts of a first cross beam, 4 parts of a second cross beam, 5 parts of a first longitudinal guide plate, 6 parts of a second longitudinal guide plate, 7 parts of a first longitudinal beam, 8 parts of a second longitudinal beam, 9 parts of a first support guide wheel, 10 parts of a second support guide wheel, 11 parts of a graphite plate, 12 parts of a screw rod, 13 parts of a first bearing seat, 14 parts of a second bearing seat, 15 parts of a nut seat, 16 parts of a push-pull hook, 17 parts of a push-pull hole, 18 parts of a first limit plate, 19 parts of a second limit plate, 20 parts of a motor, 21 parts of a first chain wheel, 22 parts of a second chain wheel, 23 parts of a chain, 24 parts.
Detailed Description
The technical solution of the present invention will be further elaborated with reference to the accompanying drawings and specific embodiments.
Embodiment 1 as shown in fig. 1 to 3, the utility model discloses a push-pull device for sintering a powder pressed compact, including an underframe 1 and a guide bracket 2 arranged on the top of the underframe 1, the guide bracket 2 includes a first cross beam 3 and a second cross beam 4, a first longitudinal guide plate 5 is connected between one end of the first cross beam 3 and one end of the second cross beam 4, a second longitudinal guide plate 6 is connected between the other end of the first cross beam 3 and the other end of the second cross beam 4, the first cross beam 3, the second cross beam 4, the first longitudinal guide plate 5 and the second longitudinal guide plate 6 form a frame body in a shape of 'square', a first longitudinal beam 7 and a second longitudinal beam 8 are connected between the first cross beam 3 and the second cross beam 4, a first guide wheel region is formed between the first cross beam 3, the second longitudinal guide plate 8, the second cross beam 4 and the second longitudinal guide plate 6 form a second guide wheel region, a plurality of first guide wheels 9 are sequentially and rotatably connected between the first guide plate 5 and the second guide wheel 6 and a second longitudinal guide wheel 5, a plurality of guide wheels 11 are arranged between the first guide wheel 6 and a second guide wheel 5, a guide wheel mechanism is arranged between the longitudinal guide wheel 6 and a second guide wheel 5, a plurality of guide wheel 14 is arranged in a longitudinal guide wheel mechanism for driving the longitudinal guide wheel 6 and a graphite plate 5, a graphite plate to pass through a guide wheel 14, a graphite plate 14 and a graphite plate 14, a graphite plate 14 is arranged in a graphite plate driving mechanism, a graphite plate driving mechanism for driving the longitudinal guide wheel for pushing and a graphite plate pushing mechanism, a graphite plate pushing mechanism for pushing and a graphite plate pushing mechanism, a graphite plate pushing and pulling mechanism for pushing and pushing mechanism, a graphite plate pushing and pulling mechanism for pushing and a graphite plate pushing the graphite plate pushing mechanism, a graphite plate pushing mechanism for pushing the graphite plate pushing mechanism, a graphite plate pushing mechanism for pushing mechanism, a graphite plate pushing mechanism for pushing the graphite plate pushing mechanism, a graphite plate pushing mechanism for pushing the graphite plate.
The working process of the embodiment is as follows: firstly moving the chassis 1, aligning one end of the guide bracket 2 with a sintering furnace mouth, then placing a graphite plate 11 with push-pull holes 17 on a plurality of support guide wheels I9 and a plurality of support guide wheels II 10, then hooking the push-pull hooks 16 on the nut seat 15 with the push-pull holes 17 on the graphite plate 11, then placing a plurality of graphite boats on the graphite plate 11, finally starting the driving motor mechanism, driving the graphite plate 11 to move towards the sintering furnace mouth by using the push-pull hooks 16, in the moving process, respectively matching the two sides of the graphite plate 11 with the longitudinal guide plates I5 and the longitudinal guide plates II 6 for guiding, namely forming a guide channel between the longitudinal guide plates I5 and the longitudinal guide plates II 6, pushing the graphite plate 11 into the sintering furnace along the guide channel, separating the push-pull hooks 16 from the push-pull holes 17 of the graphite plate 11 after pushing into the sintering furnace, and then controlling the driving motor mechanism to act, so that the push-pull hook 16 moves reversely to withdraw from the sintering furnace to return to the original position, and then the sintering furnace door is closed to carry out sintering operation. After sintering is finished, the furnace door is opened, the driving motor mechanism is controlled to act, the push-pull hook 16 is moved to the position of the sintering furnace mouth, then the push-pull hook 16 hooks the push-pull hole 17 of the graphite plate 11 again, the driving motor mechanism is controlled to act again, and the graphite plate 11 is withdrawn from the sintering furnace along a guide channel formed between the longitudinal guide plate I5 and the longitudinal guide plate II 6 by utilizing reverse movement of the hook 16 to return to the original position.
This embodiment is through offering the push-and-pull hole on the graphite cake, sets up the push-and-pull hook on feed screw nut mechanism, utilizes the push-and-pull hook to catch on the graphite cake push-and-pull hole to realize carrying the removal of the graphite cake of graphite boat under feed screw nut mechanism's drive, avoided the manual work to come push-and-pull graphite cake like this, sintering high temperature causes the emergence of safety problem to operating personnel. In addition, a guide channel is formed between the first longitudinal guide plate and the second longitudinal guide plate, so that the movement of the graphite plate is guided through the guide channel, the deviation phenomenon of the graphite plate is avoided, the graphite plate loaded with the graphite boat can be quickly fed into or pulled out of the sintering furnace, and the production efficiency is improved.
As shown in fig. 4, the nut seat 15 is U-shaped, one end of the push-pull hook 16 is located in the U-shaped opening of the U-shaped nut seat 15, and the connecting pin 18 sequentially passes through one side of the U-shaped nut seat 15, one end of the push-pull hook 16 and the other side of the U-shaped nut seat 15, so as to rotatably connect one end of the push-pull hook 16 to the nut seat 15. When the push-pull hook 16 needs to hook the push-pull hole 17 on the graphite plate 11, the other end of the push-pull hook 16 can hook the push-pull hole 17 as long as the push-pull hook 16 is rotated towards the push-pull hole 17. When the push-pull hook 16 needs to be separated from the push-pull hole 17, the push-pull hook 16 can be rotated reversely. The arrangement makes the operation of workers more convenient and fast, and further improves the processing efficiency.
As shown in fig. 5 and 6, the width T1 of the push-pull hole 17 along the length direction of the lead screw 12 is greater than the thickness T2 of the other end of the push-pull hook 16, so that when the graphite plate is fed into or pulled out of the sintering furnace, a gap K is left between the other end of the push-pull hook 16 and the inner circumferential surface of the push-pull hole 17, which facilitates the other end of the push-pull hook 16 to smoothly rotate to hook the push-pull hole 17 or rotate out of the push-pull hole 17.
As shown in fig. 4, a first limit plate 18 and a second limit plate 19 are further disposed between the first bearing seat 13 and the second bearing seat 14 along the length direction of the lead screw 12, and the lead screw 12 and the nut seat 15 are both located at a position between the first limit plate 18 and the second limit plate 19. Therefore, the nut seat in the two pairs of moving limiting plates is used for limiting, so that the shaking of the nut seat during moving is reduced, and the stability of pushing and pulling the graphite plate is ensured.
As shown in fig. 1 and 4, the guide bracket 2 is fixedly connected to the base frame 1, the driving motor mechanism includes a motor 20 disposed on the bottom of the base frame 1, a first chain wheel 21 is disposed on an output shaft of the motor 20, a second chain wheel 22 is disposed on one end of the screw rod 12 passing through the second bearing block 14, and the first chain wheel 21 and the second chain wheel 22 are in matching transmission connection through a chain 23.
At the bottom of the chassis 1, rollers 24 are provided, which facilitate the movement of the chassis.
Example 2: as shown in fig. 7, the difference from embodiment 1 is that: the guide bracket 2 is movably connected to the base frame 1, a plurality of vertical screws 25 are arranged on the bottom of the guide bracket 2 (which may be the bottoms of the first cross beam 3 and the second cross beam 4, or the bottoms of the first longitudinal guide plate 5 and the first longitudinal guide plate 6, in this embodiment, the bottoms of the first longitudinal guide plate 5 and the first longitudinal guide plate 6), the plurality of vertical screws 25 pass through the top of the base frame 1 and are locked (including an upper nut and a lower nut) tightly on the top of the base frame 1 by nuts 26, the driving motor mechanism includes a motor 20 arranged on the guide bracket 2, and the motor 20 is in transmission connection with one end of a screw rod 12 passing through the second bearing seat 14 through a coupling 27 in a matching manner. Set up like this, can be according to the high position of the fire door of fritting furnace, the height of adjustment guide bracket to make this embodiment can be applicable to the fritting furnace of different models.
To sum up, the utility model discloses a set up the push-and-pull hole on the graphite cake, set up the push-and-pull hook on screw-nut mechanism, utilize the push-and-pull hook to catch on the graphite cake push-and-pull hole to realize carrying the removal of the graphite cake of graphite boat under screw-nut mechanism's drive, avoided the manual work to come push-and-pull graphite cake like this, sintering high temperature causes the emergence of safety problem to operating personnel. In addition, a guide channel is formed between the first longitudinal guide plate and the second longitudinal guide plate, so that the movement of the graphite plate is guided through the guide channel, the deviation phenomenon of the graphite plate is avoided, the graphite plate loaded with the graphite boat can be quickly fed into or pulled out of the sintering furnace, and the production efficiency is improved. The push-pull hook is rotatably connected to the nut seat, and the push-pull hook capable of rotating is matched with the push-pull hole, so that the operation of workers is more convenient and faster, and the processing efficiency is further improved. Through setting up the width T1 of push-and-pull hole along lead screw length direction is greater than the thickness T2 of the other end of push-and-pull hook, can be convenient for like this push-and-pull hole or follow the push-and-pull hole and rotate out of the smooth rotation of the other end of push-and-pull hook. The first limiting plate and the second limiting plate are used for limiting the moving nut seat, so that the shaking of the nut seat during moving is reduced, and the stability of pushing and pulling the graphite plate is guaranteed. Through with guide bracket swing joint on the chassis, can adjust guide bracket's height according to the high position of the fire door of fritting furnace like this, thereby make the utility model discloses can be applicable to the fritting furnace of different models.
The term "plurality" as used in this embodiment means a number of "two or more". The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. A push-pull device for sintering powder pressed compacts comprises a bottom frame and a guide bracket arranged on the top of the bottom frame, and is characterized in that the guide bracket comprises a first cross beam and a second cross beam, a first longitudinal guide plate is connected between one end of the first cross beam and one end of the second cross beam, a second longitudinal guide plate is connected between the other end of the first cross beam and the other end of the second cross beam, a first longitudinal beam and a second longitudinal beam are connected between the first cross beam and the second cross beam, a plurality of first support guide wheels are sequentially and rotatably connected between the first longitudinal guide plate and the first longitudinal beam along the length direction of the first longitudinal guide plate, a plurality of second support guide wheels are sequentially and rotatably connected between the second longitudinal guide plate and the second longitudinal beam along the length direction of the second longitudinal guide plate, and the distance L between the first longitudinal guide plate and the second longitudinal guide plate is matched with;
a screw rod nut mechanism is also arranged between the first cross beam and the second cross beam and is positioned between the first longitudinal beam and the second longitudinal beam, the length direction of a screw rod of the screw rod nut mechanism is consistent with the length direction of the first longitudinal guide plate and the second longitudinal guide plate, two ends of the screw rod are rotatably connected between the first cross beam and the second cross beam, the push-pull device is also provided with a driving motor mechanism for driving the screw rod to rotate, the driving motor mechanism is connected with one end of the screw rod in a matching way, a push-pull hook is arranged on a nut seat of the feed screw nut mechanism, a push-pull hole is arranged on the graphite plate, the push-pull hook hooks the push-pull hole when in work, the driving motor mechanism drives the screw rod nut mechanism to move, the push-pull hook drives the graphite plate to move back and forth along the length direction of the screw rod, so that the graphite plate loaded with the graphite boat is rapidly fed into or pulled out of the sintering furnace.
2. A push-pull device for sintering a powder compact according to claim 1, wherein: the nut seat is U-shaped, one end of the push-pull hook is positioned in a U-shaped opening of the U-shaped nut seat, and the connecting pin sequentially penetrates through one side edge of the U-shaped nut seat, one end of the push-pull hook and the other side edge of the U-shaped nut seat, so that one end of the push-pull hook is rotatably connected to the nut seat.
3. A push-pull device for sintering a powder compact according to claim 2, wherein: the width T1 of the push-pull hole along the length direction of the screw rod is larger than the thickness T2 of the other end of the push-pull hook.
4. A push-pull device for sintering a powder compact according to claim 2, wherein: and a first limiting plate and a second limiting plate are further arranged between the first bearing seat and the second bearing seat along the length direction of the screw rod, and the screw rod and the nut seat are both located between the first limiting plate and the second limiting plate.
5. A push-pull device for sintering a powder compact according to any one of claims 1 to 4, wherein: the guide bracket is fixedly connected to the bottom frame, the driving motor mechanism comprises a motor arranged on the bottom of the bottom frame, a first chain wheel is arranged on an output shaft of the motor, a second chain wheel is arranged at one end of the screw rod, and the first chain wheel and the second chain wheel are in transmission connection in a matched mode through a chain.
6. A push-pull device for sintering a powder compact according to any one of claims 1 to 4, wherein: the guide bracket is movably connected to the bottom frame, a plurality of vertical screw rods are arranged on the bottom of the guide bracket, the plurality of vertical screw rods penetrate through the top of the bottom frame and then are locked on the top of the bottom frame through nuts, the driving motor mechanism comprises a motor arranged on the guide bracket, and the motor is in transmission connection with one end of the screw rod in a matched mode through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990056.0U CN211135527U (en) | 2019-11-18 | 2019-11-18 | Push-and-pull device for sintering powder pressed compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990056.0U CN211135527U (en) | 2019-11-18 | 2019-11-18 | Push-and-pull device for sintering powder pressed compact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211135527U true CN211135527U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990056.0U Active CN211135527U (en) | 2019-11-18 | 2019-11-18 | Push-and-pull device for sintering powder pressed compact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211135527U (en) |
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2019
- 2019-11-18 CN CN201921990056.0U patent/CN211135527U/en active Active
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