Automatic powder feeding mechanism of powder forming press

Abstract

The utility model discloses an automatic powder feeding mechanism of a powder forming press, which belongs to the technical field of powder feeding of powder forming presses and comprises a material barrel component mounted at the upper end of the side surface of a press body, a material leaking component mounted above a concave template of the press body and a material pushing component mounted on the press body, a feeding box is arranged above the material leaking assembly in a sliding mode, the feeding box is connected with the material barrel assembly through a material pipe, a connecting frame assembly is connected to the output end of the material pushing assembly, the other end of the connecting frame assembly is connected with the feeding box, a swing arm assembly is further installed on the press body, and the output end of the swing arm assembly is hinged to the connecting frame assembly. The swing arm assembly is arranged, the feeding box and the material leakage assembly are flattened through the swing arm assembly, the powder leakage situation caused by tilting of the feeding box is avoided, it is guaranteed that the powder filling amount each time is consistent, and the stability of the gram weight of products pressed and formed by the pressing machine is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of powder feeding of a powder forming press, and in particular relates to an automatic powder feeding mechanism of a powder forming press. Background Art

[0002] The powder forming servo press is generally composed of a main frame, an upper die mechanism, a lower die mechanism, and a powder feeding mechanism. When working, an automatic powder feeding mechanism is required to cooperate with the action of the press to automatically transport and fill the powder into the cavity of the lower die mechanism, and then the upper die mechanism and the lower die mechanism are combined to press and form the powder.

[0003] The automatic powder feeding mechanism in the prior art has some problems in actual use. For example, Chinese patent application No. 201721374079.X discloses a feeding mechanism of a powder forming machine, which uses a crank rocker mechanism to feed the material box back and forth on the workbench. However, the feeding mechanism does not apply downward pressure and cannot be close to the slide plate, which poses a risk of leakage and is not conducive to the production of product consistency. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an automatic powder feeding mechanism of a powder forming press, which has the characteristics of ensuring that the feeding box moves closely to the slide plate to avoid powder leakage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic powder feeding mechanism of a powder forming press, comprising a barrel assembly installed at the upper end of the side surface of a press body, a leakage assembly installed above the concave template of the press body, and a pushing assembly installed on the press body, wherein a feeding box is slidably arranged above the leakage assembly, the feeding box is connected to the barrel assembly through a material pipe, a connecting frame assembly is connected to the output end of the pushing assembly, and the other end of the connecting frame assembly is connected to the feeding box, a swing arm assembly is also installed on the press body, and the output end of the swing arm assembly is hinged to the connecting frame assembly.

[0006] In order to store powder, the barrel assembly further includes a hanging ear, the hopper is hung on the hanging ear, the bottom of the hopper is connected to a ball valve, and the output end of the ball valve is connected to a material pipe joint.

[0007] In order to facilitate the adjustment of the installation height of the hopper, further, a plurality of hanging grooves are provided on the hanging ear.

[0008] In order to facilitate the adjustment of the reciprocating distance of the feeding box, thereby facilitating diversified production, further, the pushing assembly includes a mounting seat, a transverse movement module is installed on the mounting seat, and the outer cover of the transverse movement module is provided with a dust cover.

[0009] In order to connect the pushing assembly and the feeding box, the connecting frame assembly further includes a connecting seat and a pushing frame, the connecting seat is connected to a fine-tuning plate, the fine-tuning plate is connected to an adjusting screw, the end of the adjusting screw is connected to a mounting block, one end of the pushing frame is connected to the mounting block, and the other end of the pushing frame is provided with a connecting groove.

[0010] In order to connect with the connecting hook of the swing arm assembly, further, pull rods are connected to both sides of the pusher rack.

[0011] In order to make the material box body and the slide slide tightly together and avoid material leakage, the swing arm assembly further includes a mounting bar and a pull cylinder, a mounting rod is installed on the mounting bar, the mounting end of the pull cylinder is hinged to the mounting rod, and a connecting hook is installed on the output end of the pull cylinder.

[0012] In order to feed the powder into the die cavity and fill the die cavity with powder, the feeding box further includes a box body, a material pipe is connected to the box body, the bottom of the box body is an open structure, and a wear-resistant plate is connected to the bottom edge of the box body, and connecting shafts are respectively connected to both sides of the box body.

[0013] In order to support the feeding box, the leakage assembly further includes a slide plate, baffles are respectively connected to the two sides above the slide plate, the slide plate is provided with drop holes corresponding to the die cavity, and dust collection boxes are respectively connected to both ends of the slide plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the powder material in the barrel assembly falls into the feeding box through the material pipe under the action of gravity, and the feeding box is driven to move back and forth on the leakage assembly by the pushing assembly to fill the powder material into the mold cavity on the concave mold plate;

[0016] 2. The utility model is provided with a swing arm assembly, which is used to flatten the feeding box and the leakage assembly to prevent the feeding box from tilting and leaking powder, ensure the consistency of the powder filling amount each time, and improve the stability of the weight of the pressed product;

[0017] 3. The utility model drives the feeding box to move back and forth through the transverse movement module, which is convenient for adjusting the reciprocating distance of the feeding box, thus facilitating diversified production;

[0018] 4. The utility model applies a downward force to both sides of the material box body by acting on the push rack through the pull cylinder, so that the material box body and the slide plate slide closely together to avoid leakage;

[0019] 5. Both ends of the pull cylinder of the utility model can rotate, so that the pull cylinder rotates along with the feeding box when the concave template is lifted or lowered or the feeding box moves horizontally back and forth, without generating motion interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the barrel assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the pusher assembly of the utility model after the dust cover is removed;

[0024] Figure 4 This is a schematic diagram of the structure of the pusher assembly of the utility model;

[0025] Figure 5 This is a structural schematic diagram of the connecting frame assembly of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the swing arm assembly of the utility model;

[0027] Figure 7 This is a schematic diagram of the structure of the feeding box of the utility model;

[0028] Figure 8 It is a structural schematic diagram of the leakage component of the utility model;

[0029] In the figure: 1. Press body; 2. Barrel assembly; 21. Hanging ear; 22. Hopper; 23. Ball valve; 24. Material pipe joint; 25. Hanging slot; 3. Pushing assembly; 31. Mounting seat; 32. Transverse shift module; 33. Dust cover; 4. Connecting frame assembly; 41. Connecting seat; 42. Fine-tuning plate; 43. Adjusting screw; 44. Mounting block; 45. Connecting slot; 46. Pushing frame; 47. Pull rod; 5. Swing arm assembly; 51. Mounting bar; 52. Mounting rod; 53. Pull cylinder; 54. Connecting hook; 6. Feeding box; 61. Material box body; 62. Material pipe; 63. Connecting shaft; 64. Wear-resistant plate; 7. Leaking assembly; 71. Slide plate; 72. Baffle; 73. Dropping hole; 74. Dust collection box; 8. Concave template. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] See also Figure 1-8 The utility model provides the following technical solutions: an automatic powder feeding mechanism of a powder forming press, comprising a barrel assembly 2 installed at the upper end of the side of a press body 1, a leakage assembly 7 installed above a concave template 8 of the press body 1, and a push assembly 3 installed on the press body 1, wherein a feeding box 6 is slidably arranged above the leakage assembly 7, the feeding box 6 is connected to the barrel assembly 2 through a material pipe 62, a connecting frame assembly 4 is connected to the output end of the push assembly 3, and the other end of the connecting frame assembly 4 is connected to the feeding box 6, a swing arm assembly 5 is also installed on the press body 1, and the output end of the swing arm assembly 5 is hinged to the connecting frame assembly 4.

[0033] By adopting the above technical scheme, the powder of the utility model falls into the feed box 6 through the material pipe 62 under the action of gravity in the barrel assembly 2, and the feed box 6 is driven by the pushing assembly 3 to reciprocate on the leakage assembly 7 to fill the powder into the mold cavity on the concave mold plate 8; the utility model is provided with a swing arm assembly 5, which flattens the feed box 6 and the leakage assembly 7 through the swing arm assembly 5 to avoid the feed box 6 from tilting and leaking powder, thereby ensuring the consistency of the powder filling amount each time and improving the stability of the gram weight of the pressed product.

[0034] Specifically, the barrel assembly 2 includes a hanging ear 21 , a hopper 22 is hung on the hanging ear 21 , a ball valve 23 is connected to the bottom of the hopper 22 , and a material pipe joint 24 is connected to the output end of the ball valve 23 .

[0035] The above technical solution is used to store powder.

[0036] Specifically, the pushing assembly 3 includes a mounting base 31, on which a transverse movement module 32 is mounted. The transverse movement module 32 is preferably KGG's HST150-R10-250L-ME-P75-C03N model, and the transverse movement servo motor is preferably Huichuan's MS1H1-75B30CB-A331Z model; the outer cover of the transverse movement module 32 is provided with a dust cover 33, which is used to prevent dust and increase service life.

[0037] By adopting the above technical solution, the feed box 6 is driven to move back and forth by the transverse movement module 32, so that the reciprocating distance of the feed box 6 can be adjusted, which is conducive to diversified production.

[0038] Specifically, the connecting frame assembly 4 includes a connecting seat 41 and a pushing frame 46. The connecting seat 41 is installed on the output end of the transverse movement module 32. The connecting seat 41 is connected to a fine-tuning plate 42, and a waist hole is provided on the fine-tuning plate 42. The fine-tuning plate 42 is connected to the connecting seat 41 by a screw, so as to facilitate the left and right adjustment of the position of the pushing frame 46; the fine-tuning plate 42 is connected to an adjusting screw 43, so as to facilitate the front and back adjustment of the position of the pushing frame 46. The end of the adjusting screw 43 is connected to a mounting block 44, and a notch is provided on the mounting block 44. The connecting shaft at one end of the pushing frame 46 is placed in the notch, and the other end of the pushing frame 46 is provided with a connecting groove 45, and the connecting groove 45 is clamped on the connecting shaft 63 on both sides of the material box body 61.

[0039] The above technical solution is used to connect the pushing assembly 3 and the feeding box 6.

[0040] Specifically, two sides of the pusher frame 46 are connected with pull rods 47 .

[0041] By adopting the above technical solution, it is used to connect with the connecting hook 54 of the swing arm assembly 5.

[0042] Specifically, the feeding box 6 includes a material box body 61, to which a material pipe 62 is connected, and the material pipe 62 is connected to the material pipe joint 24. The bottom of the material box body 61 is an open structure, and a wear-resistant plate 64 is connected to the bottom edge of the material box body 61. Connecting shafts 63 are respectively connected to both sides of the material box body 61, and the connecting shafts 63 are connected to the connecting grooves 45 of the pushing rack 46.

[0043] By adopting the above technical solution, the powder material is delivered into the die cavity by the reciprocating movement of the material box body 61 on the slide plate 71, and the die cavity is filled with the powder material.

[0044] Specifically, the leakage component 7 includes a slide plate 71, baffle plates 72 are respectively connected to the two sides above the slide plate 71, and a blanking hole 73 corresponding to the die cavity is provided on the slide plate 71. Dust collecting boxes 74 are respectively connected to the two ends of the slide plate 71. The dust remaining on the slide plate 71 is collected by the dust collecting boxes 74, and the reciprocating movement of the material box body 61 pushes the dust on the slide plate 71 into the dust collecting box 74.

[0045] The above technical solution is used to support the feeding box 6.

[0046] Example 2

[0047] The present embodiment is different from the first embodiment in that: specifically, the hanging ear 21 is provided with three hanging grooves 25 which are arranged at equal intervals in the upper and lower parts.

[0048] By adopting the above technical solution, it is convenient to adjust the installation height of the hopper 22.

[0049] Example 3

[0050] The present embodiment is different from the embodiment 1 in that: specifically, the swing arm assembly 5 includes a mounting bar 51 and a pull cylinder 53. The pull cylinder 53 is preferably an MA32×250SCA type cylinder of AirTac. A mounting rod 52 is mounted on the mounting bar 51. The mounting end of the pull cylinder 53 is hinged to the mounting rod 52. A connecting hook 54 is mounted on the output end of the pull cylinder 53. The connecting hook 54 is hung on the pull rod 47.

[0051] By adopting the above technical scheme, the utility model acts on the pushing rack 46 through the pull cylinder 53, thereby applying a downward force on both sides of the feeding box body 61, so that the material box body 61 and the slide plate 71 slide closely together to avoid leakage problems; both ends of the pull cylinder 53 of the utility model can rotate, so that the pull cylinder 53 rotates when the feeding box 6 rises and falls with the concave template 8 or the feeding box 6 moves horizontally back and forth, without causing motion interference.

[0052] In summary, the powder of the utility model falls into the feeding box 6 through the material pipe 62 under the action of gravity in the barrel assembly 2, and the feeding box 6 is driven by the pushing assembly 3 to reciprocate on the leakage assembly 7 to fill the powder into the mold cavity on the concave mold plate 8; the utility model is provided with a swing arm assembly 5, and the feeding box 6 and the leakage assembly 7 are flattened by the swing arm assembly 5 to avoid the feeding box 6 from tilting and leaking powder, thereby ensuring the consistency of the powder filling amount each time and improving the stability of the weight of the pressed product; the utility model is provided with a lateral displacement module 3 2 drives the feeding box 6 to move back and forth, which is convenient for adjusting the reciprocating distance of the feeding box 6, thereby facilitating diversified production; the utility model acts on the pushing frame 46 through the pull cylinder 53, thereby applying a downward force on both sides of the feeding box body 61, so that the material box body 61 and the slide plate 71 slide closely together to avoid material leakage; the two ends of the pull cylinder 53 of the utility model can rotate, so that the pull cylinder 53 rotates when the feeding box 6 is lifted and lowered with the concave template 8 or the feeding box 6 moves back and forth horizontally, without generating motion interference.

[0053] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic powder feeding mechanism for a powder forming press, characterized in that: It includes a barrel assembly installed on the upper end of the side of the press body, a leakage assembly installed above the concave template of the press body, and a pushing assembly installed on the press body, wherein a feeding box is slidably arranged above the leakage assembly, the feeding box is connected to the barrel assembly through a material pipe, a connecting frame assembly is connected to the output end of the pushing assembly, and the other end of the connecting frame assembly is connected to the feeding box, a swing arm assembly is also installed on the press body, and the output end of the swing arm assembly is hinged to the connecting frame assembly.

2. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The barrel assembly comprises a hanging ear, the hopper is hung on the hanging ear, the bottom of the hopper is connected to a ball valve, and the output end of the ball valve is connected to a material pipe joint.

3. The automatic powder feeding mechanism of a powder forming press according to claim 2, characterized in that: The hanging ear is provided with a plurality of hanging grooves.

4. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The pusher assembly comprises a mounting seat, on which a transverse shifting module is mounted, and an outer cover of the transverse shifting module is provided with a dust cover.

5. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The connecting frame assembly includes a connecting seat and a pushing frame, the connecting seat is connected to a fine-tuning plate, the fine-tuning plate is connected to an adjusting screw, the end of the adjusting screw is connected to a mounting block, one end of the pushing frame is connected to the mounting block, and the other end of the pushing frame is provided with a connecting groove.

6. The automatic powder feeding mechanism of a powder forming press according to claim 5, characterized in that: Both sides of the pushing frame are connected with pull rods.

7. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The swing arm assembly comprises a mounting bar and a pull cylinder. A mounting rod is mounted on the mounting bar. The mounting end of the pull cylinder is hinged to the mounting rod. A connecting hook is mounted on the output end of the pull cylinder.

8. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The feeding box comprises a box body, a material tube is connected to the box body, the bottom of the box body is an open structure, a wear-resistant plate is connected to the bottom edge of the box body, and connecting shafts are respectively connected to both sides of the box body.

9. The automatic powder feeding mechanism of a powder forming press according to claim 1, characterized in that: The leakage assembly comprises a slide plate, baffles are respectively connected to the two sides above the slide plate, a drop hole corresponding to the die cavity is arranged on the slide plate, and dust collection boxes are respectively connected to the two ends of the slide plate.

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