CN211727404U

CN211727404U - Full-automatic compaction type molding machine

Info

Publication number: CN211727404U
Application number: CN202020119480.4U
Authority: CN
Inventors: 张磊
Original assignee: TIANJIN SHENGXINGXIANG MACHINERY MANUFACTURING CO LTD
Current assignee: TIANJIN SHENGXINGXIANG MACHINERY MANUFACTURING CO LTD
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-23
Anticipated expiration: 2030-01-19

Abstract

The utility model provides a full-automatic compaction formula molding machine, including fuselage, power arm, top board, drive mechanism, holding down plate, sand box and pattern drawing mechanism, fuselage upper portion sets up the power arm, power arm lower extreme connection top board, the top board passes through drive mechanism and drives the holding down plate lift, set up a sand box on the holding down plate, pattern drawing mechanism sets up on the fuselage. The utility model is simple in operation, convenient and practical, the molding in-process can realize that the compacting surface atress is even about the sand mould, the effectual quality that improves sand mould in the forming process.

Description

Full-automatic compaction type molding machine

Technical Field

The utility model relates to a squeeze molding machine field, in particular to full-automatic squeeze molding machine.

Background

At present, molding machines are widely applied to the field of casting of sand molds, in the prior art, the mode of compacting the sand molds by the molding machines is different modes such as compaction, jolt squeeze, injection squeeze and the like, so as to realize compaction of molding sand, and the compaction type molding machine as a traditional molding machine has the advantages of simple structure, rapid molding and the like, and is very suitable for molding and casting of small-batch workpieces. Therefore, to meet the demands of the current casting industry, more and more new technologies are operated, for example, chinese patent with application date of 2017.09.10, publication number of CN207372245U, entitled "compaction type full automatic molding machine", i.e. a compaction type molding machine applied in the field of sand mold molding is disclosed; however, in the molding process of the squeeze molding machine in the aforementioned patent, the asynchronous movement of the upper platen and the lower platen causes uneven stress on the upper compacting surface and the lower compacting surface of the sand mold, the vibration effect of the micro-vibration device is not obvious, the loading amount of the molding sand is not easy to control, the continuous loading of the molding sand cannot be realized, the molding effect of the squeeze molding machine on the sand mold is reduced, and the molding quality of the sand mold is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at solves the problem that exists among the prior art, provides a simple practicality, can be at the sand mould molding in-process for top board and holding down plate simultaneous movement, fully extrude two compacting faces, guarantee that the compacting face atress is even about, can realize filling in succession simultaneously, and can control the packing volume of molding sand, carry out the microseism through the lateral wall to the sand box, it is higher to make the inside molding sand of whole box fill closely knit degree, the full-automatic molding machine of compaction formula of the molding effect of effectual assurance sand mould.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a full-automatic compaction formula molding machine, wherein full-automatic compaction formula molding machine includes fuselage, power arm, top board, drive mechanism, holding down plate, sand box and pattern drawing mechanism, fuselage upper portion sets up the power arm, the top board is connected to the power arm lower extreme, the top board drives the holding down plate through drive mechanism and goes up and down, set up a sand box on the holding down plate, pattern drawing mechanism sets up on the fuselage.

Further, the transmission mechanisms are arranged in two groups.

Furthermore, the transmission mechanism comprises a first rack, a second rack and a gear, the first rack is fixed on the upper pressing plate, the gear is rotatably arranged on the machine body, the second rack is fixed on the lower pressing plate, and the first rack and the second rack are respectively meshed with the two sides of the gear.

Furthermore, the transmission mechanism is further provided with a sleeve, the starting end of the sleeve is connected with the lower end of the first rack and the upper end of the second rack respectively, the first rack penetrates through the sleeve on the second rack in a sliding mode, and the second rack penetrates through the sleeve on the first rack in a sliding mode.

Furthermore, a pulley is rotatably arranged at the tail end of the sleeve and runs on the outer side wall of the first rack or the second rack.

Furthermore, a sand filling mechanism is connected to the machine body.

Furthermore, the sand filling mechanism comprises a sand storage box, a pipeline and a gate valve, the sand storage box is arranged on the machine body, a sand outlet of the sand storage box is connected with the pipeline, and the gate valve is arranged at the sand outlet end of the pipeline.

Furthermore, a side wall micro-vibration device is connected to the machine body.

Furthermore, the side wall micro-vibration device comprises a vibrator and a vibration conduction frame, the vibrator is arranged on the machine body and connected with the vibration conduction frame, and the output end of the vibration conduction frame is connected to the side wall of the sand box.

Furthermore, the vibration conduction frame comprises a telescopic rod piece and a clamping piece, the two ends of the telescopic rod piece are respectively connected with the vibrator and the clamping piece, and the clamping piece is clamped on the two sides of the sand box.

Further, the drawing mechanism comprises a drawing cylinder, a connecting rod, a drawing frame and a drawing rod, the drawing cylinder is arranged on two sides of the bottom of the machine body, the output end of the piston rod of the drawing cylinder is connected with the drawing frame, two ends of the connecting rod are hinged to the machine body and the drawing frame respectively, and the drawing rod is vertically connected to the drawing frame.

The utility model has the advantages and positive effects that:

1. the utility model discloses in the middle of, drive action makes the top board and carry out the relative motion simultaneously with lower clamp plate through compacting mechanism for the compacting face is even with compacting face atress down on the sand mould in the sand box, guarantees the molding quality of sand mould.

2. Through the application of the sand filling mechanism, the sand can be filled into the sand box during molding, and a large amount of molding sand stored in the sand storage box can be filled, so that the sand filling mechanism is simple in operation, convenient and practical, and saves the time for filling sand during molding.

3. In the molding process, the vibration effect of the side wall micro-vibration device is utilized, so that the molding sand in the whole sand box is fully shaken, the molding sand is uniformly distributed in the sand box, the molding machine is convenient to extrude, the molding sand is compacted more tightly, and the molding quality is higher.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the transmission mechanism of fig. 1.

Fig. 3 is a schematic structural view of the transmission mechanism of embodiment 2.

FIG. 4 is a schematic structural view of a sand-packing mechanism according to embodiment 3.

FIG. 5 is a schematic structural view of a sidewall microseismic device of example 4.

In the figure: the device comprises a machine body 1, a power arm 2, an upper pressing plate 3, a transmission mechanism 4, a first rack 401, a gear 402, a second rack 403, a sleeve 404, a pulley 405, a lower pressing plate 5, a sand box 6, an stripping mechanism 7, a stripping cylinder 701, a connecting rod 702, a stripping frame 703, a stripping rod 704, a sand filling mechanism 8, a sand storage box 801, a pipeline 802, a gate valve 803, a side wall micro-vibration device 9, a vibrator 901, a vibration transmission frame 902, a telescopic rod member 9021 and a clamping member 9022.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example 1

As shown in fig. 1 and 2, a full-automatic compaction molding machine comprises a machine body 1, a power arm 2, an upper platen 3, a transmission mechanism 4, a lower platen 5, a sand box 6 and a stripping mechanism 7, wherein the power arm 2 is arranged on the upper portion of the machine body 1, the lower end of the power arm 2 is connected with the upper platen 3, the upper platen 3 drives the lower platen 5 to lift through the transmission mechanism 4, the sand box 6 is arranged on the lower platen 5, the stripping mechanism 7 is arranged on the machine body 1, the transmission mechanism 4 drives the lower platen 5 to lift through the pushing action of the power arm 2 on the machine body 1 on the upper platen 3, so that the molding sand in the upper sand box 6 of the lower platen 5 can be extruded and molded, the upper platen 3 and the lower platen 5 move simultaneously, the stress on the upper and lower compaction surfaces of a sand mold is ensured to be more uniform, the molding effect is effectively improved, and the quality of.

Specifically, the specific structure of the sand box 6 adopts the prior art structure of the sand box, which is not improved in the present application, and thus, detailed description is omitted.

Further, the transmission mechanisms 4 are arranged into two groups, so that the stress of the upper pressing plate 3 and the stress of the lower pressing plate 5 are more uniform, and the extrusion effect is better.

Further, the transmission mechanism 4 includes a first rack 401, a gear 402 and a second rack 403, the first rack 401 is fixed on the upper platen 3, the second rack 403 is fixed on the lower platen 5, the gear 402 is rotatably disposed on the machine body 1, the first rack 401 and the second rack 403 are respectively meshed with two sides of the gear 402, the first rack 401 is driven by the upper platen 3 to move downwards, the first rack 401 drives the second rack 403 to move upwards through the gear 402 rotating on the machine body, so that the two platens move in opposite directions, and further the sand mold is compacted.

Further, the transmission mechanism 4 is further provided with a sleeve 404, the starting end of the sleeve 404 is connected with the lower end of the first rack 401 and the upper end of the second rack 403 respectively, the first rack 401 slides through the sleeve 404 on the second rack 403, the second rack 403 slides through the sleeve on the first rack 401, and the first rack 401 and the second rack 403 are ensured to be meshed with the gear 402 through the limiting effect of the sleeve 404 on the first rack 401 and the second rack 403, so that the transmission mechanism 4 is prevented from being out of gear during the movement process.

Further, the stripping mechanism 7 comprises a stripping cylinder 701, a connecting rod 702, a stripping frame 703 and a stripping rod 704, the stripping cylinder 701 is arranged on two sides of the bottom of the machine body 1, the output end of a piston rod of the stripping cylinder 701 is connected with the stripping frame 703, two ends of the connecting rod 702 are respectively hinged on the machine body 1 and the stripping frame 703, and the stripping rod 704 is vertically connected on the stripping frame 703

Example 2

As shown in fig. 3, the difference from embodiment 1 is that, further, a pulley 405 is rotatably disposed at the end of the sleeve 404, the pulley 405 runs on the outer side wall of the first rack 401 or the second rack 403, and by utilizing the sliding of the pulley 405, the friction force is reduced, so that the movement of the first rack 401 and the second rack 403 during the molding process is smoother.

Example 3

As shown in fig. 1 and 4, the difference from the

embodiments

1 and 2 is that a sand-packing mechanism 8 is further connected to the body 1.

Further, the sand filling mechanism 8 comprises a sand storage tank 801, a pipeline 802 and a gate valve 803, the sand storage tank 801 is arranged on the machine body 1, a sand outlet of the sand storage tank 801 is connected with the pipeline 802, the gate valve 803 is arranged at the sand outlet end of the pipeline 802, and the filling of the molding sand in the sand tank 6 is realized through the matching application of the sand storage tank 801, the pipeline 802 and the gate valve 803, so that the filling amount of the molding sand in the sand tank 6 can be controlled, the convenience and the practicability are realized, and the time for filling the molding sand is saved.

Example 4

As shown in fig. 1 and 5, the difference from the embodiments 1 to 3 is that a side wall microseismic device 9 is further connected to the fuselage 1.

Further, the side wall microseismic device 9 comprises a vibrator 901 and a vibration transmission frame 902, the vibrator 901 is arranged on the machine body 1, the vibrator 901 is connected with the vibration transmission frame 902, the output end of the vibration transmission frame 902 is connected with the side wall of the sand box 6, and the use of the side wall microseismic device 9 can ensure that the molding sand in the whole sand box 6 can be fully shaken, the molding sand is uniformly distributed in the sand box 6, the compactness of the distribution of the molding sand is improved, and the quality of the sand mold is further ensured.

Further, the vibration conduction frame 902 comprises a telescopic rod 9021 and a clamping piece 9022, the two ends of the telescopic rod 9021 are respectively connected with the vibrator 901 and the clamping piece 9022, the clamping piece 9022 is clamped on the two sides of the sand box 6, and by using the telescopic rod 9021 and the clamping piece 9022, vibration generated by the vibrator 901 can be conducted to the sand box 6, and the vibration can be conducted to the inner cavity of the whole sand box 6, so that the sand compactness is improved.

In addition, the specific models and specifications of the above-mentioned lift cylinder 7, gate valve 803 and shaker 901 need to be determined by model selection calculation according to the specification parameters, etc. of the squeeze molding machine, the model selection calculation method is the prior art, and the specific structure and working principle of the power arm 2 can adopt the structure in the existing molding machine, such as a cantilever beam and a lift cylinder, the cantilever beam is fixed on the machine body, and the tail end thereof is fixed on the lift cylinder through a bolt, the output end of the lift cylinder is connected with the upper press plate 5, wherein the lift cylinder is electrically connected with the control main body of the squeeze molding machine, and the specific electrical connection mode, electrical connection structure and control principle thereof all adopt the prior art in the field, and the present application does not improve the above and thus is not described in detail.

The utility model provides a full-automatic compaction formula molding machine, top board and holding down plate simultaneous extrusion motion make the compacting surface atress from top to bottom even, can realize filling sand in succession simultaneously, and can control the packing volume of molding sand, carries out the microseism through the lateral wall to the sand box, makes the inside molding sand of whole box fill closely knit degree higher, and the molding effect is better, the effectual quality of guaranteeing the sand mould.

1. An operator fixes the sand box 6 and the mold on the lower pressing plate 5, and after the fixing is finished, the length of the telescopic rod 9021 on the vibration guide frame 902 on the side wall microstructure 9 is adjusted, so that the clamping piece 9022 connected with the telescopic rod 9021 is clamped outside the sand box 6;

2. filling the sand storage box 801 of the sand filling mechanism 8 with molding sand, after filling, an operator holds the output end of the pipeline 802 on the sand filling mechanism 8, opens the gate valve 803 on the output end, so that the molding sand enters the sand box 6 along the pipeline 802, meanwhile, the vibrator 901 is started, the vibration sense generated by the vibrator 901 is transmitted to the sand box 6 through the vibration guide frame 902, the molding sand entering the sand box 6 is more uniformly distributed under the vibration of the side wall micro-vibration device 9 and fully scattered in the sand box 6, after filling, the gate valve 803 and the side wall micro-vibration device 9 are closed, and the pipeline 802 is placed at the initial position;

3. starting the compaction type molding machine, controlling the power arm 2 on the machine body 1 to slowly move downwards, pushing the upper pressure plate 3 connected with the power arm 2 to move downwards, because the upper pressing plate 3 and the lower pressing plate 5 are connected through the transmission mechanism 4, the first rack 401 in the transmission mechanism 4 is connected with the upper pressing plate 3, the gear 402 is rotatably arranged on the machine body 1, the second rack 403 is connected with the lower pressing plate 5, the first rack 401 connected with the upper press plate 3 moves downwards and simultaneously drives the gear 402 to rotate, the rotating gear 402 drives the second rack 403 to move upwards, so that the lower press plate 5 connected with the second rack 403 moves upwards, thereby leading the sand box 6 positioned between the upper pressure plate 3 and the lower pressure plate 5 to be extruded, realizing the uniform stress of the sand mould compaction surfaces in the upper sand box 6 and the lower sand box 6, the clamping piece 9022 clamped on the sand box 6 does not influence the molding process because the clamping piece 9022 is connected with the vibrator 901 through the telescopic rod piece 9021;

4. after the modeling is finished, controlling a power arm 2 on the machine body 1 to move upwards to drive an upper pressure plate and a first rack connected with the upper pressure plate to move upwards, and driving a lower pressure plate 5 to move downwards through the transmission action of a gear 402 rotationally arranged on the machine body 1 to return to an initial state;

5. the clamping piece 9022 positioned on the sand box 6 is loosened, the demolding mechanism 7 on the machine body 1 is started, the end part of the piston on the demolding cylinder 701 can drive the connecting rod 702 hinged with the machine body 1 to push the demolding frame 703 to move upwards, the demolding rod 704 vertically connected to the demolding frame 703 moves upwards to push the demolding point of the sand box 6, so that the sand box 6 is separated from the internal sand mold and falls off, demolding of the sand box mold is realized, a complete sand mold is obtained, the compaction type molding machine is reset after the demolding is completed, the compaction type molding machine is restored to the initial state, and the machine is closed.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a full-automatic compaction formula molding machine, includes fuselage (1), power arm (2), top board (3), holding down plate (5), sand box (6) and stripping mechanism (7), fuselage upper portion sets up power arm (2), power arm (2) lower extreme is connected top board (3), top board (3) below sets up holding down plate (5), set up a sand box (6) on holding down plate (5), stripping mechanism (7) set up on fuselage (1), its characterized in that: the device is characterized by further comprising a transmission mechanism (4), wherein the upper pressing plate (3) drives the lower pressing plate (5) to lift through the transmission mechanism (4).

2. The fully automated squeeze-molding machine according to claim 1, characterized in that: the transmission mechanisms (4) are arranged into two groups.

3. The fully automated squeeze-molding machine according to claim 1 or 2, characterized in that: the transmission mechanism (4) comprises a first rack (401), a gear (402) and a second rack (403), the first rack (401) is fixed on the upper pressing plate (3), the gear (402) is rotatably arranged on the machine body, the second rack (403) is fixed on the lower pressing plate (5), and the first rack (401) and the second rack (403) are respectively meshed with two sides of the gear (402).

4. The fully automated squeeze-molding machine according to claim 3, characterized in that: the transmission mechanism (4) is further provided with a sleeve (404), the starting end of the sleeve (404) is connected with the lower end of the first rack (401) and the upper end of the second rack (403) respectively, the first rack (401) penetrates through the sleeve (404) on the second rack (403) in a sliding mode, and the second rack (403) penetrates through the sleeve (404) on the first rack (401) in a sliding mode.

5. The fully automated squeeze-molding machine according to claim 4, characterized in that: the tail end of the sleeve (404) is rotatably provided with a pulley (405), and the pulley runs on the outer side wall of the first rack (401) or the second rack (403).

6. The fully automated squeeze-molding machine according to claim 1, characterized in that: the machine body (1) is connected with a sand filling mechanism (8).

7. The fully automated squeeze-molding machine according to claim 6, characterized in that: the sand filling mechanism (8) comprises a sand storage box (801), a pipeline (802) and a gate valve (803), wherein the sand storage box (801) is arranged on the machine body (1), a sand outlet of the sand storage box (801) is connected with the pipeline (802), and the gate valve (803) is arranged at the sand outlet end of the pipeline (802).

8. The fully automated squeeze-molding machine according to claim 1, characterized in that: the machine body (1) is also connected with a side wall microseismic device (9).

9. The fully automated squeeze-molding machine according to claim 8, characterized in that: the side wall micro-vibration device (9) comprises a vibrator (901) and a vibration transmission frame (902), the vibrator (901) is arranged on the machine body (1), the vibrator (901) is connected with the vibration transmission frame (902), and the output end of the vibration transmission frame (902) is connected to the side wall of the sand box (6).

10. The fully automated squeeze-molding machine according to claim 9, characterized in that: the vibration conduction frame (902) comprises a telescopic rod piece (9021) and clamping pieces (9022), two ends of the telescopic rod piece (9021) are respectively connected with the vibrator (901) and the clamping pieces (9022), and the clamping pieces (9022) are clamped on two sides of the sand box (6).