Continuous extrusion forming device for pencil lead

Abstract

The utility model discloses a pencil lead continuous extrusion forming device which comprises a base station, the top of the base station is fixedly connected with a plurality of material preparation bins, the left side of each material preparation bin is provided with a supporting seat fixedly connected with the base station, an oil cylinder is fixedly installed in an inner cavity of each supporting seat, and the right side of each material preparation bin is fixedly connected with an extrusion pipe. The extrusion pipe is communicated with the material preparation bin, the output end of the oil cylinder is fixedly connected with an extrusion disc, the extrusion disc is slidably connected to an inner cavity of the material preparation bin, and a feeding assembly is arranged below the extrusion pipe and comprises material preparation baffles fixedly connected to the front side and the rear side of the top of the material preparation bin; and a plurality of raw material blocks are stacked between the two material preparation baffles. According to the utility model, the material preparation bin, the extrusion pipe and the oil cylinder are matched for use, so that raw material blocks are extruded and formed, and meanwhile, the raw material blocks are continuously supplied and blocked under the matched use of the material supply assembly, so that the purposes of continuous material supply and continuous extrusion forming can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pencil processing technical field, especially relate to a pencil lead continuous extrusion forming device. BACKGROUND

[0002] The pencil lead is the core part of the pencil, is mainly used in leaving the trace on the object surface such as paper, to realize writing, painting etc. function, the main component of pencil lead is graphite and clay, graphite is a mineral substance composed of carbon element, has good conductivity, lubricity and dark gray color, it gives the pencil lead the fluency and color when writing, clay is used to adjust the hardness and toughness of pencil lead, by changing the proportion of graphite and clay, can produce pencil lead of different hardness and blackness, to satisfy various writing and painting demand.

[0003] The pencil lead is extruded and is formed, and the equipment needs intermittent opening and closing, and needs to frequently add raw material blocks to the extrusion cavity, and the operator needs to pause and start the equipment again after completing extrusion once, prolongs the production cycle, limits the capacity improvement, and the frequent feeding process is more complicated, for this, a pencil lead continuous extrusion forming device is needed, one-time material preparation is used, the required raw material blocks are prepared, and continuous feeding, extrusion and blanking structure are matched to realize continuous feeding and extrusion forming. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of pencil lead continuous extrusion forming device, one-time material preparation is used, the required raw material blocks are prepared, and continuous feeding, extrusion and blanking structure are matched to realize continuous feeding, extrusion forming, to solve the above technical problems.

[0005] The utility model solves the technical scheme as follows to the above technical problems: a kind of pencil lead continuous extrusion forming device, including base station: the top of the base station is fixedly connected with a plurality of material preparation bins, the left side of the material preparation bin is provided with the support seat fixedly connected with base station, the inner chamber of the support seat is fixedly installed with oil cylinder, the right side of the material preparation bin is fixedly connected with extrusion tube, and the extrusion tube is communicated with material preparation bin, and the output end of the oil cylinder is fixedly connected with extrusion disc, and the extrusion disc is slidably connected in the inner chamber of material preparation bin, and the lower portion of the extrusion tube is provided with feeding assembly, and the feeding assembly includes material preparation baffle fixedly connected on the top of material preparation bin front side and rear side, a plurality of raw material blocks are stacked between the two material preparation baffles, the top of the material preparation bin is provided with blanking opening matched with raw material block, and the right end of the extrusion tube is provided with extrusion hole.

[0006] Preferably, the surface of the extrusion tube is slidably connected with sliding frame, the front end and rear end of the left side top of the sliding frame are fixedly connected with material blocking rod, and the sliding frame is inserted into the inner chamber of blanking opening and is in close contact with the surface of raw material block.

[0007] Preferably, the front end and the rear end of the right side of the material preparation bin are fixedly connected with guide pipes, and the material blocking rod is slidingly connected in the inner cavity of the guide pipe.

[0008] Preferably, the right side of the bottom of the extrusion pipe is fixedly installed with a servo motor, and the output shaft of the servo motor is fixedly connected with a threaded driving rod.

[0009] Preferably, the left end of the threaded driving rod is rotatably connected with the material preparation bin through a bearing, and the sliding frame is threadedly connected on the surface of the threaded driving rod.

[0010] Preferably, the left side of the top of the base is fixedly installed with a protective cover, and the protective cover is sleeved on the surface of the plurality of oil cylinders.

[0011] The utility model discloses the beneficial effect is:

[0012] 1. The utility model discloses a material preparation bin, extrusion pipe and oil cylinder are used in cooperation, and the raw block is formed to extrude, and under the cooperation of the feeding assembly, the raw block is continuously fed and is blocked material, can reach the purpose of continuous feeding, continuous extrusion forming;

[0013] 2. The utility model discloses a sliding frame and the cooperation of the material blocking rod to the raw block to be extruded plays the role of limiting and blocking, thereby preventing the raw block to be extruded from being damaged in the process that the oil cylinder and the extrusion disc slide, thereby avoiding the phenomenon that the extrusion disc is jammed in the inner cavity of the material preparation bin;

[0014] 3. The utility model discloses the cooperation of servo motor's drive, threaded driving rod and sliding frame, so that the material blocking rod can actively block and limit the material to be extruded or separate the material. BRIEF DESCRIPTION OF DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0017] Figure 2 It is the three-dimensional schematic view of the material preparation bin, oil cylinder, extrusion pipe and feeding assembly of one embodiment of the utility model;

[0018] Figure 3 It is the three-dimensional sectional view of the material preparation bin and feeding assembly of one embodiment of the utility model;

[0019] Figure 4 It is the side sectional view of the base, material preparation bin and feeding assembly of one embodiment of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, base, 2, material preparation bin, 3, support seat, 4, oil cylinder, 5, extrusion pipe, 6, extrusion disc, 7, feeding assembly, 71, material preparation baffle, 72, sliding frame, 73, material blocking rod, 74, servo motor, 75, threaded drive rod, 76, guide pipe, 8, blanking port, 9, protective cover, 10, extrusion hole. DETAILED DESCRIPTION

[0022] Hereinafter, the embodiment of the pencil core continuous extrusion forming device of the utility model will be described with reference to the drawings.

[0023] Figures 1-4 The pencil core continuous extrusion forming device of one embodiment of the utility model is shown, which comprises a base 1: a plurality of material preparation bins 2 are fixedly connected to the top of the base 1, a support seat 3 fixedly connected with the base 1 is arranged on the left side of the material preparation bin 2, an oil cylinder 4 is fixedly installed in the inner cavity of the support seat 3, a protective cover 9 is fixedly installed on the left side of the top of the base 1, the protective cover 9 is sleeved on the surface of the plurality of oil cylinders 4, an extrusion pipe 5 is fixedly connected to the right side of the material preparation bin 2, the extrusion pipe 5 is communicated with the material preparation bin 2, an extrusion disc 6 is fixedly connected to the output end of the oil cylinder 4, the extrusion disc 6 is slidingly connected in the inner cavity of the material preparation bin 2, a feeding assembly 7 is arranged below the extrusion pipe 5, a sliding frame 72 is slidingly connected to the surface of the extrusion pipe 5, material blocking rods 73 are fixedly connected to the front end and the rear end of the top of the left side of the sliding frame 72, the sliding frame 72 is inserted into the inner cavity of the blanking port 8 and is in close contact with the surface of the raw material block, through the cooperation of the sliding frame 72 and the material blocking rods 73, the raw material block to be extruded is limited and blocked, so that the raw material block to be extruded is prevented from being damaged in the process of sliding of the oil cylinder 4 and the extrusion disc 6, the phenomenon of jamming of the extrusion disc 6 in the inner cavity of the material preparation bin 2 is avoided, a servo motor 74 is fixedly installed on the right side of the bottom of the extrusion pipe 5, a threaded drive rod 75 is fixedly connected to the output shaft of the servo motor 74, the left end of the threaded drive rod 75 is rotatably connected with the material preparation bin 2 through a bearing, the sliding frame 72 is threadedly connected to the surface of the threaded drive rod 75, through the driving of the servo motor 74, the cooperation of the threaded drive rod 75 and the sliding frame 72, the material blocking rods 73 can actively block and limit the material to be extruded or separate from the blanking, guide pipes 76 are fixedly connected to the front end and the rear end of the right side of the material preparation bin 2, the material blocking rods 73 are slidingly connected in the inner cavities of the guide pipes 76, the feeding assembly 7 comprises material preparation baffles 71 fixedly connected to the top of the material preparation bin 2 and the front side and the rear side, a plurality of raw material blocks are stacked between the two material preparation baffles 71, the top of the material preparation bin 2 is provided with a blanking port 8 matched with the raw material block, an extrusion hole 10 is formed in the right end of the extrusion pipe 5.

[0024] Working principle: the utility model for use, the user through the placement of multiple raw material blocks between two material preparation baffle 71, make the raw material block at the bottom falls to the inner chamber of blanking mouth 8, then servo motor 74 is opened and drives threaded drive rod 75 to rotate, under the advancing action of the screw thread on the surface of threaded drive rod 75, make the slide frame 72 slide to left side, and drive the material blocking rod 73 in the inner chamber of guide pipe 76 slide, make the material blocking rod 73 between the first and second raw material block at the bottom, open oil cylinder 4, oil cylinder 4 drive extrusion disc 6 in the inner chamber of blanking mouth 8 slide to right side, and drive raw material block through material preparation bin 2 into the inner chamber of extrusion pipe 5, make the raw material block in the inner chamber of extrusion pipe 5 be extruded, and extrude into strip from extrusion hole 10 right side, after one raw material block extrusion is finished, oil cylinder 4 drive extrusion disc 6 fast reset, servo motor 74 reverse rotation, fast to slide frame 72 right side screw drive, make the material blocking rod 73 contact the bottom second raw material block and block, make it fall into the inner chamber of blanking mouth 8, carry out secondary extrusion, this process is formed by the cooperation of oil cylinder controller and motor controller, avoid artificial one by one replenishment, realize continuous extrusion.

[0025] In conclusion: the pencil lead continuous extrusion forming device, through the cooperation of material preparation bin 2, extrusion pipe 5 and oil cylinder 4, extrusion forming is carried out to raw material block, and under the cooperation of feeding assembly 7, continuous feeding and material blocking are carried out to raw material block, that is, the purpose of continuous feeding and continuous extrusion forming can be achieved.

Claims

1. A continuous extrusion molding device for pencil leads, characterized in that, Includes a base (1): a plurality of material storage bins (2) are fixedly connected to the top of the base (1), a support base (3) fixedly connected to the base (1) is provided on the left side of the material storage bins (2), a hydraulic cylinder (4) is fixedly installed in the inner cavity of the support base (3), an extrusion pipe (5) is fixedly connected to the right side of the material storage bins (2), the extrusion pipe (5) is connected to the material storage bins (2), and an extrusion plate (6) is fixedly connected to the output end of the hydraulic cylinder (4). The pressure plate (6) is slidably connected to the inner cavity of the material preparation hopper (2). A feeding assembly (7) is provided below the extrusion tube (5). The feeding assembly (7) includes a material preparation baffle (71) fixedly connected to the front and rear sides of the top of the material preparation hopper (2). Multiple raw material blocks are stacked between the two material preparation baffles (71). A discharge port (8) adapted to the raw material blocks is opened at the top of the material preparation hopper (2). An extrusion hole (10) is opened at the right end of the extrusion tube (5).

2. The continuous extrusion molding device for pencil leads according to claim 1, characterized in that, The surface of the extrusion tube (5) is slidably connected to a sliding frame (72). The front end and rear end of the top left side of the sliding frame (72) are fixedly connected to a material blocking rod (73). The sliding frame (72) is inserted into the inner cavity of the discharge port (8) and is in close contact with the surface of the raw material block.

3. The continuous extrusion molding apparatus for pencil leads according to claim 2, characterized in that, The front and rear ends of the right side of the material preparation silo (2) are fixedly connected to guide tubes (76), and the material blocking rod (73) is slidably connected to the inner cavity of the guide tube (76).

4. The continuous extrusion molding apparatus for pencil leads according to claim 3, characterized in that, A servo motor (74) is fixedly installed on the right side of the bottom of the extrusion tube (5), and the output shaft of the servo motor (74) is fixedly connected to a threaded drive rod (75).

5. A continuous extrusion molding apparatus for pencil leads according to claim 4, characterized in that, The left end of the threaded drive rod (75) is rotatably connected to the material storage bin (2) via a bearing, and the sliding frame (72) is threadedly connected to the surface of the threaded drive rod (75).

6. The continuous extrusion molding apparatus for pencil leads according to claim 5, characterized in that, A protective cover (9) is fixedly installed on the left side of the top of the base (1), and the protective cover (9) is fitted onto the surface of multiple oil cylinders (4).

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