Sintering temperature control device for powder metallurgy parts

Abstract

The invention provides a powder metallurgy part sintering temperature control device, and relates to the technical field of powder metallurgy machining. The powder metallurgy part sintering temperature control device comprises a furnace body, a rotating mechanism, a sintering furnace, an adjusting mechanism, an adaptive mechanism, a downward pressing mechanism and a pressing plate, the rotating mechanism is arranged on the lower surface of the furnace body, the sintering furnace intermittently rotates at the inner bottom of the furnace body through the driving effect of the rotating mechanism, the adjusting mechanism is arranged at the upper end of the furnace body, and the adaptive mechanism is arranged at the lower end of the furnace body. The bottom of the adjusting mechanism is provided with an adaptive mechanism capable of conducting horizontal reciprocating motion adjustment, the bottom of the adaptive mechanism is provided with a pressing mechanism with the adjustable height, and the bottom of the pressing mechanism is provided with a pressing plate capable of conducting reciprocating motion. The device further comprises a first heater, a second heater, a first temperature sensor, a second temperature sensor and a temperature balancer. According to the sintering furnace, uniform stress pressing is achieved, temperature distribution in the sintering furnace is kept uniform, and the forming effect is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of powder metallurgy processing, in particular to a sintering temperature control device for powder metallurgy parts. Background Art

[0002] With the rapid development of social economy, powder metallurgy is used more and more. Powder metallurgy is a very useful and commonly used preparation method in parts manufacturing. Powder metallurgy is a process technology for preparing metal or using metal powder as raw material, forming and sintering, to manufacture metal materials, composite materials and various types of products; due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] In the prior art, before sintering, the powder needs to be placed in a mold and flattened, and then sintered. The previous sintering devices used in powder metallurgy processing were unable to press the powder evenly in each area, resulting in poor pressing effect, and it was impossible to add material during the pressing process; secondly, during the sintering process, the temperature of each area was inconsistent, resulting in differences in the molding effect. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a temperature control device for sintering powder metallurgy parts, which solves the problem that the pressing effect is poor and material cannot be added during the pressing process because each area cannot be pressed evenly with force during the pressing.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A temperature control device for sintering powder metallurgy parts, including a furnace body, a rotating mechanism, a sintering furnace, an adjusting mechanism, an adapting mechanism, a pressing mechanism and a pressing plate;

[0008] The rotating mechanism is arranged on the lower surface of the furnace body, and the sintering furnace is intermittently rotated at the inner bottom of the furnace body by the driving action of the rotating mechanism;

[0009] The adjusting mechanism is arranged at the upper end of the furnace body, the bottom of the adjusting mechanism is provided with an adapting mechanism capable of horizontal reciprocating adjustment, the bottom of the adapting mechanism is provided with a height-adjustable pressing mechanism, and the bottom of the pressing mechanism is provided with a reciprocating pressing plate;

[0010] It also includes a first heater arranged on the left side of the inner wall of the furnace body and a second heater arranged on the right side of the inner wall of the furnace body, a first temperature sensor is arranged on the left side of the inner bottom wall of the furnace body, a second temperature sensor is arranged on the right side of the inner bottom wall of the furnace body, and a temperature balancer is arranged in the middle position of the inner bottom wall of the furnace body.

[0011] Preferably, the rotating mechanism includes a first motor fixedly connected to the left side of the lower surface of the furnace body, the output end of the first motor is fixedly connected to a first gear, the side wall of the first gear is meshingly connected to a second gear, the middle part of the second gear is fixedly connected to a rotating rod, the upper end of the rotating rod passes through the interior of the furnace body and is fixedly connected to the sintering furnace.

[0012] Preferably, the first gear is an incomplete gear, and the number of teeth thereof accounts for one tenth to one quarter of the total number of teeth.

[0013] Preferably, the adjustment mechanism includes a top frame fixedly connected to the upper end of the furnace body, a second motor is fixedly connected to the left outer surface of the top frame, the output end of the second motor passes through the interior of the top frame and is fixedly connected to a reciprocating screw, the outer wall of the reciprocating screw is threadedly connected to a threaded block, and the adapter mechanism is fixedly connected to the bottom of the threaded block.

[0014] Preferably, the adapting mechanism comprises a connecting plate fixedly connected to the bottom of the threaded block, an electric telescopic rod is fixedly connected to the middle of the lower surface of the connecting plate, and a pressing mechanism is fixedly connected to the bottom of the electric telescopic rod.

[0015] Preferably, auxiliary telescopic rods are fixedly connected to the lower surface of the connecting plate and located on both sides of the electric telescopic rod, and the bottom of the auxiliary telescopic rod is fixedly connected to the pressing mechanism.

[0016] Preferably, the pressing mechanism includes a connecting frame fixedly connected to the bottom of the electric telescopic rod, the connecting frame is rotatably connected to a driving disk inside, the outer surface of the driving disk is rotatably connected to a connecting rod on the outside, the bottom of the connecting rod is rotatably connected to a slide plate, the bottom of the slide plate is fixedly connected to a sliding rod, the bottom of the sliding rod is fixedly connected to a buffer plate, and the bottom of the buffer plate is fixedly connected to a pressure plate.

[0017] Preferably, a feeding port is provided on the right side of the furnace body, three partitions are provided inside the feeding port, and a material guide cover is provided at the bottom of the feeding port.

[0018] Preferably, a first controller and a second controller are disposed on the front of the furnace body, and a furnace cover is also disposed on the front of the furnace body.

[0019] Preferably, support legs are provided at the four corners of the bottom end of the furnace body, and anti-slip pads are provided at the bottoms of the support legs.

[0020] (III) Beneficial effects

[0021] The present invention provides a temperature control device for sintering powder metallurgy parts. It has the following beneficial effects:

[0022] 1. The sintering temperature control device for powder metallurgy parts uses a rotating mechanism, an adjusting mechanism, an adapting mechanism, a pressing mechanism and a pressing plate in coordination, so that when the device presses the powder, each area can be pressed with uniform force, thereby improving the pressing effect. At the same time, during the pressing process, material can be added through the feeding port, thereby improving the practicability of the device. Among them, the design of the rotating mechanism enables the sintering furnace to rotate intermittently in the furnace body, thereby achieving uniform heating and sintering of the powder; the setting of the adjusting mechanism enables the adapting mechanism to move back and forth horizontally, thereby achieving pressing of powders at different positions; the design of the adapting mechanism enables the height of the pressing mechanism to be adjustable, thereby meeting the pressing requirements of powders of different thicknesses; the design of the pressing mechanism enables the pressing plate to move back and forth, thereby achieving uniform pressing of the powder; the setting of the feeding port enables convenient addition of powder during the pressing process.

[0023] 2. Through the coordinated use of the first heater and the second heater, the temperature of each area of ​​the device is kept consistent during the sintering process, thereby improving the molding effect; finally, through the setting of the temperature balancer, the temperature distribution in the sintering furnace is more uniform during the sintering process of the device, thereby further improving the molding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is an overall cross-sectional schematic diagram of the present invention;

[0026] Figure 3 It is a schematic diagram of the connection between the adapting mechanism and the pressing mechanism of the present invention;

[0027] Figure 4 It is a cross-sectional schematic diagram of the feeding port of the present invention;

[0028] Figure 5 It is a schematic diagram of the temperature control principle of the present invention.

[0029] Among them, 1. furnace body; 2. rotating mechanism; 3. sintering furnace; 4. adjusting mechanism; 5. adapting mechanism; 6. pressing mechanism; 7. buffer plate; 8. pressing plate; 9. first temperature sensor; 10. second temperature sensor; 11. temperature balancer; 12. first controller; 13. second controller; 14. first heater; 15. second heater; 16. feeding port; 17. material guide cover; 18. supporting leg; 19. anti-slip pad; 20. furnace cover;

[0030] 21. first motor; 22. first gear; 23. second gear; 24. rotating rod;

[0031] 41. top frame; 42. second motor; 43. reciprocating screw; 44. thread block;

[0032] 51. Connecting plate; 52. Electric telescopic rod; 53. Auxiliary telescopic rod;

[0033] 61. connecting frame; 62. driving plate; 63. connecting rod; 64. sliding plate; 65. sliding rod;

[0034] 161. Partition. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Example:

[0037] like Figure 1-5 As shown, an embodiment of the present invention provides a temperature control device for sintering powder metallurgy parts, including a furnace body 1, a rotating mechanism 2, a sintering furnace 3, an adjusting mechanism 4, an adapting mechanism 5, a pressing mechanism 6 and a pressing plate 8.

[0038] The rotating mechanism 2 is arranged on the lower surface of the furnace body 1, and the sintering furnace 3 intermittently rotates at the inner bottom of the furnace body 1 through the driving action of the rotating mechanism 2; specifically, the rotating mechanism 2 includes a first motor 21 fixedly connected to the left side of the lower surface of the furnace body 1, and the output end of the first motor 21 is fixedly connected to a first gear 22, the first gear 22 is an incomplete gear, and the number of teeth thereof accounts for one tenth of the total teeth, the side wall of the first gear 22 is meshedly connected to the second gear 23, and the middle part of the second gear 23 is fixedly connected to a rotating rod 24, and the upper end of the rotating rod 24 passes through the interior of the furnace body 1 and is fixedly connected to the sintering furnace 3.

[0039] In the above structure, the first motor 21 drives the first gear 22 to rotate, and the first gear 22 drives the second gear 23 and the rotating rod 24 to rotate intermittently, thereby driving the sintering furnace 3 to rotate intermittently.

[0040] The adjusting mechanism 4 is arranged at the upper end of the furnace body 1, and an adapting mechanism 5 capable of horizontal reciprocating adjustment is arranged at the bottom of the adjusting mechanism 4; specifically, the adjusting mechanism 4 includes a top frame 41 fixedly connected to the upper end of the furnace body 1, a second motor 42 is fixedly connected to the left outer surface of the top frame 41, an output end of the second motor 42 passes through the interior of the top frame 41, and is fixedly connected to a reciprocating screw 43, an outer wall of the reciprocating screw 43 is threadedly connected to a threaded block 44, and the adapting mechanism 5 is fixedly connected to the bottom of the threaded block 44.

[0041] In the above structure, the second motor 42 drives the reciprocating screw 43 to rotate, thereby driving the threaded block 44 and the adapter mechanism 5 to perform horizontal movement adjustment.

[0042] A height-adjustable pressing mechanism 6 is provided at the bottom of the adapter mechanism 5; specifically, the adapter mechanism 5 includes a connecting plate 51 fixedly connected to the bottom of the threaded block 44, an electric telescopic rod 52 is fixedly connected to the middle of the lower surface of the connecting plate 51, the bottom of the electric telescopic rod 52 is fixedly connected to the pressing mechanism 6, and auxiliary telescopic rods 53 are fixedly connected to the lower surface of the connecting plate 51 and on both sides of the electric telescopic rod 52, and the bottom of the auxiliary telescopic rod 53 is fixedly connected to the pressing mechanism 6.

[0043] In the above structure, the electric telescopic rod 52 is used to adjust the height of the pressing mechanism 6 so as to adapt it to the pressing requirements of powders of different thicknesses.

[0044] A reciprocating pressure plate 8 is provided at the bottom of the pressing mechanism 6; specifically, the pressing mechanism 6 includes a connecting frame 61 fixedly connected to the bottom of the electric telescopic rod 52, the interior of the connecting frame 61 is rotatably connected to a driving disk 62, the outer surface of the driving disk 62 is rotatably connected to a connecting rod 63 on the outer side, the bottom of the connecting rod 63 is rotatably connected to a slide plate 64, the bottom of the slide plate 64 is fixedly connected to a sliding rod 65, the bottom of the sliding rod 65 is fixedly connected to a buffer plate 7, and the bottom of the buffer plate 7 is fixedly connected to a pressure plate 8.

[0045] In the above structure, the driving disc 62 cooperates with the connecting rod 63 to drive the slide plate 64, the slide rod 65 and the pressing plate 8 to move up and down, thereby achieving uniform pressing of the powder.

[0046] A feeding port 16 is provided on the right side of the furnace body 1 , three partitions 161 are provided inside the feeding port 16 , and a material guide cover 17 is provided at the bottom of the feeding port 16 for feeding materials and achieving uniformity.

[0047] It also includes a first heater 14 arranged on the left side of the inner wall of the furnace body 1 and a second heater 15 arranged on the right side of the inner wall of the furnace body 1, a first temperature sensor 9 is arranged on the left side of the inner bottom wall of the furnace body 1, a second temperature sensor 10 is arranged on the right side of the inner bottom wall of the furnace body 1, and a temperature balancer 11 is arranged in the middle position of the inner bottom wall of the furnace body 1.

[0048] A first controller 12 and a second controller 13 are disposed on the front of the furnace body 1 , and a furnace cover 20 is also disposed on the front of the furnace body 1 .

[0049] The above structure, through the coordinated use of the first heater 14 and the second heater 15, allows the temperature of each area of ​​the device to remain consistent during the sintering process, thereby improving the molding effect; and through the setting of the temperature balancer 11, the temperature distribution in the sintering furnace 3 during the sintering process of the device is more uniform, further improving the molding effect.

[0050] Support legs 18 are provided at the four corners of the bottom end of the furnace body 1, and anti-slip pads 19 are provided at the bottom of the support legs 18 for overall support.

[0051] Working principle: When in use, first open the furnace cover 20, place the powder material in the sintering furnace 3, then close the furnace cover 20, start the electric telescopic rod 52, adjust the height of the pressing mechanism 6 to adapt it to the pressing requirements of powders of different thicknesses, then start the first motor 21 and the driving disk 62, thereby driving the sintering furnace 3 to rotate intermittently, and the pressing plate 8 can move up and down to achieve uniform pressing of the powder. During the pressing process, the pressing plate 8 is adjusted to move horizontally by driving the second motor 42, so that the pressing is more sufficient and uniform;

[0052] Then, the first heater 14 and the second heater 15 are started to heat the sintering furnace 3, and the temperatures on the left and right sides of the sintering furnace 3 are respectively detected by the first temperature sensor 9 and the second temperature sensor 10, and the middle temperature is measured by the temperature balancer 11, and the temperatures of the first heater 14 and the second heater 15 are respectively neutralized by the first controller 12 and the second controller 13, so that during the sintering process of the device, the temperature distribution in the sintering furnace 3 is more uniform, thereby improving the molding effect.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature control device for sintering powder metallurgy parts, characterized in that: It comprises a furnace body (1), a rotating mechanism (2), a sintering furnace (3), an adjusting mechanism (4), an adapting mechanism (5), a pressing mechanism (6) and a pressing plate (8); The rotating mechanism (2) is arranged on the lower surface of the furnace body (1), and the sintering furnace (3) is intermittently rotated at the inner bottom of the furnace body (1) through the driving action of the rotating mechanism (2); The adjusting mechanism (4) is arranged at the upper end of the furnace body (1); an adapting mechanism (5) capable of horizontal reciprocating adjustment is arranged at the bottom of the adjusting mechanism (4); a height-adjustable pressing mechanism (6) is arranged at the bottom of the adjusting mechanism (5); and a reciprocating pressing plate (8) is arranged at the bottom of the pressing mechanism (6); The furnace body (1) further comprises a first heater (14) arranged on the left side of the inner wall of the furnace body (1) and a second heater (15) arranged on the right side of the inner wall of the furnace body (1); a first temperature sensor (9) is arranged on the left side of the inner bottom wall of the furnace body (1); a second temperature sensor (10) is arranged on the right side of the inner bottom wall of the furnace body (1); and a temperature balancer (11) is arranged at a middle position of the inner bottom wall of the furnace body (1).

2. A powder metallurgy parts sintering temperature control device according to claim 1, characterized in that: The rotating mechanism (2) comprises a first motor (21) fixedly connected to the left side of the lower surface of the furnace body (1); the output end of the first motor (21) is fixedly connected to a first gear (22); the side wall of the first gear (22) is meshingly connected to a second gear (23); the middle part of the second gear (23) is fixedly connected to a rotating rod (24); the upper end of the rotating rod (24) passes through the interior of the furnace body (1) and is fixedly connected to the sintering furnace (3).

3. A powder metallurgy parts sintering temperature control device according to claim 2, characterized in that: The first gear (22) is an incomplete gear, and the number of its teeth accounts for one tenth to one quarter of the total number of teeth.

4. A powder metallurgy parts sintering temperature control device according to claim 1, characterized in that: The adjusting mechanism (4) comprises a top frame (41) fixedly connected to the upper end of the furnace body (1); a second motor (42) is fixedly connected to the left outer surface of the top frame (41); an output end of the second motor (42) passes through the interior of the top frame (41) and is fixedly connected to a reciprocating screw (43); an outer wall of the reciprocating screw (43) is threadedly connected to a threaded block (44); and the adapting mechanism (5) is fixedly connected to the bottom of the threaded block (44).

5. A powder metallurgy parts sintering temperature control device according to claim 4, characterized in that: The adapting mechanism (5) comprises a connecting plate (51) fixedly connected to the bottom of the threaded block (44); an electric telescopic rod (52) is fixedly connected to the middle of the lower surface of the connecting plate (51); and a pressing mechanism (6) is fixedly connected to the bottom of the electric telescopic rod (52).

6. A powder metallurgy parts sintering temperature control device according to claim 5, characterized in that: Auxiliary telescopic rods (53) are fixedly connected to the lower surface of the connecting plate (51) and located on both sides of the electric telescopic rod (52), and the bottom of the auxiliary telescopic rod (53) is fixedly connected to the pressing mechanism (6).

7. A powder metallurgy parts sintering temperature control device according to claim 5 or 6, characterized in that: The pressing mechanism (6) comprises a connecting frame (61) fixedly connected to the bottom of the electric telescopic rod (52); the interior of the connecting frame (61) is rotatably connected to a driving disk (62); the outer surface of the driving disk (62) is rotatably connected to a connecting rod (63) on the outer side; the bottom of the connecting rod (63) is rotatably connected to a slide plate (64); the bottom of the slide plate (64) is fixedly connected to a sliding rod (65); the bottom of the sliding rod (65) is fixedly connected to a buffer plate (7); and the bottom of the buffer plate (7) is fixedly connected to a pressing plate (8).

8. The sintering temperature control device for powder metallurgy parts according to claim 1, characterized in that: A feeding port (16) is arranged on the right side of the furnace body (1), three partitions (161) are arranged inside the feeding port (16), and a material guide cover (17) is arranged at the bottom of the feeding port (16).

9. The sintering temperature control device for powder metallurgy parts according to claim 1, characterized in that: A first controller (12) and a second controller (13) are arranged on the front of the furnace body (1), and a furnace cover (20) is also arranged on the front of the furnace body (1).

10. The sintering temperature control device for powder metallurgy parts according to claim 1, characterized in that: Support legs (18) are provided at the four corners of the bottom end of the furnace body (1), and anti-slip pads (19) are provided at the bottoms of the support legs (18).

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