Cold heading forming device for precise fastener production

Abstract

The utility model discloses a cold heading forming device for precise fastener production, which relates to the field of cold heading, and comprises a frame, a male die, a female die, a driving mechanism and an ejection mechanism, a discharge guide plate is arranged at the bottom between the male die and the female die, a grid net is mounted at the bottom of one end of the discharge guide plate inside the frame, and the grid net is connected with the male die and the female die. A flow guide plate is obliquely installed at the bottom of the discharging guide plate, and a filtering mechanism is arranged at the bottom of the tail end of the flow guide plate. The filtering mechanism is arranged in the rack, fallen products and cold heading liquid are separated through the grid net arranged on the discharging guide plate, the cold heading liquid flows into the filtering mechanism through the guide plate to filter impurities, and finally the cold heading liquid is conveyed to the oil pipe again through the arranged circulating mechanism to be used. The integrated design of filtering and recycling of the cold heading liquid and cold heading equipment is achieved, the automation degree is high, the labor intensity of workers can be reduced, and the efficiency of filtering and recycling work is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cold heading, especially relates to a cold heading forming device for precision fastener production. BACKGROUND

[0002] Bolts are mainly used for fixing the relative position between two parts, playing the role of positioning pin, as a kind of fixed connection standard element, various fields use screws. Cold heading is one of screw production processes, selects cold heading die processing, and the part has better strength and rigidity, sufficient accurate size and good surface roughness.

[0003] When the bolt is cold headed, the concave-convex die and the bolt are poured into cold heading oil, which is used to protect the die and reduce wear and tear and prevent scratches on the workpiece surface. Since the cold heading oil will produce waste oil after lubrication, and the cold heading waste oil contains a lot of residues, in order to improve the recycling rate of cold heading waste oil, the residues in the cold heading waste oil are often filtered out by a filtering device, so as to reduce the waste of cold heading waste oil.

[0004] The existing patent 202222944353. X a kind of cold heading oil filter device, including filter box and feed bin, feed bin is fixed on the upper portion of filter box by support plate, feed bin lower end rotationally connected and the shaft pipe is communicated, shaft pipe lower end rotationally penetrates into filter box, shaft pipe lower end is communicated with inner filter screen cylinder, shaft pipe outer periphery lower end is fixedly sleeved with outer filter screen cylinder located in the outer periphery of inner filter screen cylinder, utilize rotary drive assembly to drive shaft pipe, inner filter screen cylinder and outer filter screen cylinder rotate, thereby facilitate the initial centrifugal filtration of cold heading waste oil by inner filter screen cylinder.

[0005] But the above-mentioned filtering device is independently designed, and is not directly assembled with the cold heading machine. The waste oil after use of the cold heading machine needs to be collected and treated separately, and the automatic degree of filtration is low. Therefore, there is an urgent need to develop a cold heading forming machine with a filtering system. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cold heading forming device for precision fastener production, to solve the problems existing in the above background technology.

[0007] The utility model provides following technical scheme: A cold heading forming device for precision fastener production, including frame and the convex mould of frame one side middle part installation and the recess mould of frame other side middle part installation, the convex mould with recess mould left and right correspondence sets up, one side of the convex mould is provided with a drive mechanism, one side of the recess mould is provided with a ejection mechanism, the top of recess mould is provided with a support, the middle part of support inserts an oil pipe, the bottom between the convex mould with recess mould is provided with a discharge guide plate, and one end of discharge guide plate penetrates frame extension frame's outside, the bottom of one end of discharge guide plate located in frame is equipped with a grid, the bottom of the bottom of discharge guide plate located in frame is provided with a guide plate, the bottom of the end of guide plate is provided with a primary filter mechanism, one side of primary filter mechanism is provided with a secondary filter mechanism, one transmission mechanism is arranged between primary filter mechanism and secondary filter mechanism, the bottom of secondary filter mechanism is connected with a circulation mechanism, and circulation mechanism is linked with oil pipe, the other end of oil pipe is connected with a oil supplementing pipe.

[0008] Further, the primary filter mechanism includes a transition pool disposed at the end of the guide plate, and the primary filter mechanism further includes a filter screen A disposed at the top end inside the transition pool.

[0009] Further, the secondary filter mechanism includes a collection pool fixedly installed at one side of the transition pool, and the secondary filter mechanism further includes a filter screen B disposed at the top end inside the collection pool.

[0010] Further, the transmission mechanism includes a drainage tube inserted at the bottom of the transition pool, and the other end of the drainage tube extends above one side of the collection pool, the transmission mechanism further includes an oil pump A disposed at the middle portion of the drainage tube, the transmission mechanism further includes a drain pipe connected at the end of the drainage tube, the drain pipe has a rectangular structure, and the four edges of the bottom of the drain pipe are connected with a drain head.

[0011] Further, the circulation mechanism includes a circulation pipe communicated with the bottom of the collection pool, and the other end of the circulation pipe is communicated with the oil pipe, and the circulation mechanism further includes a circulation pump connected to the circulation pipe.

[0012] Further, the oil supplementing pipe is connected with an electromagnetic valve at one end close to the oil pipe, and the oil supplementing pipe is connected with an oil pump B at one side of the electromagnetic valve.

[0013] Further, a liquid level sensor is arranged at the low end inside the collection pool.

[0014] Further, the frame is provided with a box door at the positions of the primary filter mechanism and the secondary filter mechanism.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses the filter mechanism is arranged in the inside of rack and is separated to the product and the cold upsetting liquid of falling through the grid net of the discharge guide plate setting, makes the cold upsetting liquid flow into the filter mechanism and filters the impurity, finally force through the circulation mechanism of setting and is transported to the oil pipe place and uses again, realizes the cold upsetting liquid filtration recycling use and cold upsetting equipment integration design, and the degree of automation is high, not only can reduce the labor intensity of worker, and increases the efficiency of filtration recycling work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic drawing of the utility model.

[0018] Figure 2 It is the rear view structure schematic drawing of the utility model.

[0019] Figure 3 It is the inside structure schematic drawing of the utility model.

[0020] Figure 4 It is the section structure schematic drawing of the utility model.

[0021] The figure mark is: 1, rack;2, male die;3, female die;4, drive mechanism;5, ejection mechanism;6, oil pipe;7, discharge guide plate;8, flow guide plate;9, box door;10, oil supplement pipe;11, grid net;12, transition pool;13, filter screen A;14, drainage tube;15, oil pump A;16, collection pool;17, filter screen B;18, oil discharge pipe;19, oil discharge head;20, circulation pipe;21, circulating pump;22, electromagnetic valve;23, oil pump B;24, liquid level sensor. DETAILED DESCRIPTION

[0022] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0023] The utility model provides a kind of cold upsetting forming device for precision fastener production, such as Figures 1-4As shown, including rack 1 and rack 1 side of the middle of the male die 2 and the other side of the middle of the female die 3, male die 2 and female die 3 left and right corresponding arrangement, one side of the male die 2 is provided with a drive mechanism 4, one side of the female die 3 is provided with a ejection mechanism 5, the top of the female die 3 is provided with a bracket, the middle of the bracket is inserted into an oil pipe 6, the bottom between the male die 2 and the female die 3 is provided with a discharge guide plate 7, and one end of the discharge guide plate 7 extends outside the rack 1, the bottom of the one end of the discharge guide plate 7 inside the rack 1 is provided with a grid 11, the bottom of the discharge guide plate 7 inside the rack 1 is provided with a guide plate 8, the bottom of the end of the guide plate 8 is provided with a primary filter mechanism, one side of the primary filter mechanism is provided with a secondary filter mechanism, a conveying mechanism is arranged between the primary filter mechanism and the secondary filter mechanism, and the bottom of the secondary filter mechanism is connected with a circulating mechanism, and the circulating mechanism is communicated with the oil pipe 6. The other end of the oil pipe 6 is communicated with an oil supplement pipe 10.

[0024] The filter mechanism is arranged in the rack 1, and the grid 11 arranged through the discharge guide plate 7 separates the falling product and the cold heading liquid, so that the cold heading liquid flows into the filter mechanism through the guide plate 8 to filter impurities, and finally flows into the oil pipe 6 through the circulating mechanism to be used again, realizing the integrated design of the cold heading liquid filtering and recycling and the cold heading equipment, high automation, which not only reduces the labor intensity of workers, but also increases the efficiency of filtering and recycling work.

[0025] As shown in one of the embodiments, Figure 3 , 4 The primary filter mechanism comprises a transition pool 12 arranged at the end of the guide plate 8, and further comprises a filter screen A 13 arranged at the top end of the transition pool 12. The cold heading liquid received by the guide plate 8 flows into the transition pool 12 along the inclined surface of the guide plate 8, and flows into the transition pool 12 to be preliminarily filtered by the filter screen A 13 arranged therein, so as to remove larger impurities in the cold heading liquid.

[0026] As shown in one of the embodiments, Figure 3 , 4 The secondary filter mechanism comprises a collection pool 16 fixedly arranged at one side of the transition pool 12, and further comprises a filter screen B 17 arranged at the top end of the collection pool 16. The filter screen B 17 is designed in a conical structure, and the size gradually decreases from top to bottom. The cold heading liquid filtered by the secondary filter mechanism flows into the collection pool 16 through the conveying mechanism, and the cold heading liquid flowing into the collection pool 16 is subjected to secondary filtration by the filter screen B 17, so as to remove smaller impurities in the cold heading liquid.

[0027] As shown in one of the embodiments, Figure 3 , 4As shown, the conveying mechanism includes a drainage pipe 14 plugged at the bottom of the transition tank 12, and the other end of the drainage pipe 14 extends above one side of the collection tank 16, the conveying mechanism further includes an oil pump A 15 arranged in the middle of the drainage pipe 14, and the conveying mechanism further includes an oil discharge pipe 18 connected at the end of the drainage pipe 14, the oil discharge pipe 18 is in a rectangular structure, and the four edges of the oil discharge pipe 18 are connected with an oil discharge head 19, and the conveying principle is that the cold heading liquid at the bottom of the transition tank 12 is extracted by the oil pump A 15 through the drainage pipe 14, so that the cold heading liquid flows into the oil discharge pipe 18, and finally is discharged from the four oil discharge heads 19, so that the cold heading liquid is uniformly dispersed around the filter screen B 17, thereby improving the contact area of the cold heading liquid with the filter screen B 17, and further improving the filtering efficiency.

[0028] As shown in one of the embodiments, Figure 2 , 3 As shown, the circulating mechanism includes a circulating pipe 20 communicated with the bottom of the collection tank 16, and the other end of the circulating pipe 20 is communicated with the oil pipe 6, the circulating mechanism further includes a circulating pump 21 connected on the circulating pipe 20, and the oil supplement pipe 10 is connected with an electromagnetic valve 22 near one end of the oil pipe 6, and the oil supplement pipe 10 is connected with an oil pump B 23 on one side of the electromagnetic valve 22,

[0029] Specifically, as shown in Figure 2 , 3 , 4, a liquid level sensor 24 is arranged at the low end of the inside of the collection tank 16, and the cold heading liquid in the collection tank 16 is monitored by the arranged liquid level sensor 24, if there is no cold heading liquid in the collection tank 16, at this time the circulating pump 21 is closed, the electromagnetic valve 22 is opened, and the oil pump B 23 is started, so that the oil pump B 23 extracts the cold heading liquid pipeline outside or the stored cold heading liquid, to avoid the cold heading liquid gradually decreasing with the use of the processing equipment to affect the processing of the cold heading.

[0030] Specifically, as shown in Figure 1 , the cabinet frame 1 is provided with a cabinet door 9 at the positions of the primary filtering mechanism and the secondary filtering mechanism, and the designed cabinet door 9 facilitates the maintenance, cleaning and replacement of the internal equipment or filter screen of the cabinet frame 1.

[0031] The utility model discloses a working principle: drive mechanism 4 drives male die 2 movement cooperation female die 3 realizes cold heading treatment to product, and oil pipe 6 is arranged cold heading liquid, utilize the ejection machine 5 of setting and top out the product from female die 3 after cold heading, product free fall falls on the discharge guide plate 7, and the cold heading liquid that sprays passes through grid net 11 and flows into the deflector 8, then cold heading liquid flows into the transition pool 12 inside collection along the inclined plane of deflector 8, and the cold heading liquid that flows into the transition pool 12 inside makes first through the filter screen A 13 and carries out primary filtration to cold heading liquid, removes the larger impurity in cold heading liquid, and then opens oil pump A 15 and works through the drainage pipe 14 and extracts the cold heading liquid at the bottom of transition pool 12, makes cold heading liquid flow into the oil discharge pipe 18, and finally discharges from four oil discharge heads 19, makes cold heading liquid evenly dispersed in the four around filter screen B 17, and finally flows into the inside collection pool 16, and through the circulation pump 21 of setting extracts the cold heading liquid storage in the inside collection pool 16, and through the circulation pipe 20 and is transported to oil pipe 6 place and continues to recycle and use, and through the liquid level sensor 24 of setting and monitor the cold heading liquid in the inside collection pool 16, if the inside collection pool 16 has no cold heading liquid, at this time, the circulation pump 21 is closed, and electromagnetic valve 22 is opened, and opens oil pump B 23, makes oil pump B 23 and extracts the cold heading liquid pipeline of outside or the cold heading liquid storage, avoids cold heading liquid with the processing equipment of utility and gradually reduces to no influence cold heading processing.

[0032] It should be noted that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0033] The above only describes the preferred embodiments of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments, and any equivalent modification or change made by the person skilled in the art according to the disclosed content of the utility model should be included in the protection scope recorded in the claims.

Claims

1. A cold heading forming device for precision fastener production, comprising a frame (1) and a male die (2) installed in the middle of one side of the frame (1) and a female die (3) installed in the middle of the other side of the frame (1), the male die (2) and the female die (3) are arranged in correspondence left and right, one side of the male die (2) is provided with a driving mechanism (4), one side of the female die (3) is provided with an ejection mechanism (5), characterized in that: A bracket is provided on the top of the die (3), and an oil pipe (6) is inserted into the middle of the bracket. A discharge guide plate (7) is provided at the bottom between the punch (2) and the die (3), and one end of the discharge guide plate (7) extends through the frame (1) and out of the outside of the frame (1). A grid mesh (11) is installed at the bottom of the end of the discharge guide plate (7) inside the frame (1). A guide plate (8) is installed obliquely at the bottom of the discharge guide plate (7) inside the frame (1). A primary filter mechanism is provided at the bottom of the end of the guide plate (8). A secondary filter mechanism is provided on one side of the primary filter mechanism. A conveying mechanism is provided between the primary filter mechanism and the secondary filter mechanism. A circulation mechanism is connected to the bottom of the secondary filter mechanism, and the circulation mechanism is connected to the oil pipe (6). The other end of the oil pipe (6) is connected to a replenishing oil pipe (10).

2. A cold heading forming device for precision fastener production according to claim 1, characterized in that: The primary filtration mechanism includes a transition pool (12) located at the end of the guide plate (8), and the primary filtration mechanism also includes a filter screen A (13) located at the top inside the transition pool (12).

3. A cold heading forming device for precision fastener production according to claim 1, characterized in that: The secondary filtration mechanism includes a collection pool (16) fixedly installed on one side of the transition pool (12), and the secondary filtration mechanism also includes a filter screen B (17) disposed at the top inside the collection pool (16).

4. The cold heading forming device for precision fastener production according to claim 1, characterized in that: The conveying mechanism includes a drain pipe (14) inserted into the bottom of the transition pool (12), and the other end of the drain pipe (14) extends to the top of one side of the collection pool (16). The conveying mechanism also includes an oil pump A (15) located in the middle of the drain pipe (14). The conveying mechanism also includes an oil drain pipe (18) connected to the end of the drain pipe (14). The oil drain pipe (18) has a rectangular structure, and an oil drain head (19) is connected to the bottom of each of the four sides of the oil drain pipe (18).

5. The cold heading forming device for precision fastener production according to claim 1, characterized in that: The circulation mechanism includes a circulation pipe (20) connected to the bottom of the collection pool (16), and the other end of the circulation pipe (20) is connected to the oil pipe (6). The circulation mechanism also includes a circulation pump (21) connected to the circulation pipe (20).

6. The cold heading forming device for precision fastener production according to claim 1, characterized in that: The oil replenishment pipe (10) is connected to a solenoid valve (22) at one end near the oil pipe (6), and an oil pump B (23) is connected to one side of the solenoid valve (22) on the oil replenishment pipe (10).

7. The cold heading forming device for precision fastener production according to claim 3, characterized in that: A liquid level sensor (24) is installed at the lower end of the inside of the collection pool (16).

8. The cold heading forming device for precision fastener production according to claim 1, characterized in that: The frame (1) is provided with a door (9) at the location of the primary filtration mechanism and the secondary filtration mechanism.

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