Feeding device of thread rolling machine

Abstract

The utility model discloses a thread rolling machine feeding device which comprises a feeding table, a hopper is fixedly installed on the feeding table, an inclined guide plate and a vertical baffle are arranged on one side of the hopper, the hopper is provided with a storage groove right facing the inclined guide plate, the hopper is provided with a feeding groove communicated with the storage groove right facing the vertical baffle, and a feeding port is formed in the lower end of the hopper. Two feeding air cylinders are fixedly installed on the feeding table, push blocks are fixedly installed on cylinder rods of the feeding air cylinders, the push blocks are right opposite to the feeding ports, and the thickness of the push blocks is smaller than the height of the feeding ports. Supports are fixedly installed on the two sides of the vertical baffle, two sliding rods are fixedly installed between the outer ends of the supports and the vertical baffle, sliding blocks are arranged on the sliding rods in a sliding fit mode, inserting blocks are fixedly installed at the lower ends of the sliding blocks, and inserting grooves allowing the inserting blocks to be inserted are formed in the vertical baffle. The power structure is used for driving the sliding block to move. The feeding device of the thread rolling machine has the advantages of being capable of reducing abrasion of screw blanks, high in stability and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thread rolling machine technical field especially relates to a thread rolling machine feeding device. BACKGROUND

[0002] The thread rolling machine is a kind of equipment for producing screw, has multiple specifications, such as automatic thread rolling machine, flat plate thread rolling machine, semi-automatic thread rolling machine, full-automatic thread rolling machine and high-speed thread rolling machine etc., its main features include portable, flexible, efficient, has the advantage that other similar equipment cannot be replaced, it can avoid the limitation of lathe, drilling machine or manual tapping, save time, labor, not easy to rotten tooth, tap not easy to break etc.

[0003] The thread rolling machine feeding device currently used includes hopper, screw blank is placed in hopper, and screw blank located at the lowermost end is pushed out by push plate driven by cylinder to realize feeding.But in actual feeding process, screw blank located above the screw blank to be pushed out moves downward and contacts push plate, then moves upward by push plate, after that, push plate completely pushes out screw blank located at the lowermost end, and blocks the screw blank above from falling down.In the whole process, screw blank located above the screw blank to be pushed out is extruded between push plate and pushed upward by push plate, which leads to the end of push plate being easily abraded, and at the same time, causes damage to screw blank, affecting the quality of final product. SUMMARY

[0004] In view of the above technical problems of prior art, the technical problem to be solved by the present application is to provide a thread rolling machine feeding device capable of reducing screw blank abrasion, high stability and long service life.

[0005] In order to solve the above technical problems, the utility model has adopted the following technical scheme:

[0006] A kind of thread rolling machine feeding device, including feeding table, the feeding table is fixedly installed with hopper, the side of the hopper is provided with inclined guide plate and vertical baffle, the hopper is opposite inclined guide plate and is provided with storage tank, the hopper is opposite vertical baffle and is provided with the feeding groove of being communicated with storage tank, the lower end of the hopper is provided with feeding port, the feeding table is fixedly installed with two feeding cylinders, the cylinder rod of the feeding cylinder is fixedly installed with push block, the push block is opposite feeding port and the thickness of push block is less than the height of feeding port;The vertical baffle is fixedly installed with bracket on both sides, two slide rods are fixedly installed between the outer end of the bracket and vertical baffle, the slide rod is slidably connected with sliding block, the lower end of the sliding block is fixedly installed with plug-in block, the vertical baffle is provided with the insertion slot that allows plug-in block to insert;Further including power structure for driving sliding block to move.

[0007] In this way, the screw blank is placed in the storage groove and the feeding groove of the hopper, the size of the feeding port is larger than the diameter of the single screw blank, during the feeding, the feeding cylinder drives the push block to move, and the screw blank at the lowermost end is pushed out to the thread rolling machine for thread rolling operation. During the feeding process, the power structure drives the sliding block to move, the sliding block drives the plug to be inserted into the plug slot, the plug is inserted between the screw blank at the lowermost end and the screw blank above it, the plug blocks the screw blank above it, avoids the mutual stacking of the screw blanks from affecting the feeding, and can also avoid the end of the push block from being worn and torn, and prolong the service life.

[0008] The power structure comprises a lower rack, the lower rack is arranged between the two push blocks, and the two sides of the lower rack are fixedly connected with the push blocks through lower connecting rods.

[0009] The vertical baffle is fixedly provided with a gear frame, the gear frame is rotatably provided with a gear, the two sides of the gear are respectively meshed with the lower rack and the upper rack, and the two sides of the upper rack are fixedly connected with the sliding block through upper connecting rods.

[0010] The vertical baffle is fixedly provided with a rack frame, the rack frame is fixedly connected with the vertical baffle through a guide rod, and the upper rack is provided with a sliding hole matched with the guide rod.

[0011] The feeding table is fixedly provided with a track, and the lower rack is provided with a track groove in sliding fit with the track.

[0012] The side, away from the feeding cylinder, of the hopper is rotatably provided with a pin shaft, the pin shaft is fixedly provided with a limiting baffle, and the lower end of the limiting baffle is flush with the feeding table.

[0013] The two ends of the pin shaft are sleeved with torsional springs, and the two ends of the torsional springs are fixedly connected with the pin shaft and the limiting baffle.

[0014] The vertical baffle is fixedly provided with a supporting block below the plug slot opposite to the plug, and the plug is in sliding fit with the supporting block.

[0015] In summary, the thread rolling machine feeding device has the advantages of reducing screw blank wear and tear, high stability and long service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the thread rolling machine feeding device.

[0017] Figure 2 It is a partial schematic view. Figure 1

[0018] Figure 3 It is a schematic view of another orientation. Figure 1

[0019] ​​Figure 4 The structure schematic view of the feeding device of the thread rolling machine after removing the feeding table.

[0020] Figure 5 The partial structure enlarged view. Figure 4

[0021] Figure 6 The schematic view of another orientation. Figure 5 Specific implementation

[0022] The utility model makes further detailed description combining with the drawings. In the description of the utility model, it is understood that the orientation words such as " up, down " and " top, bottom " and so on indicated orientation or position relation usually is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, under the condition without making opposite statement, these orientation words do not indicate and imply the device or element indicated must have specific orientation or with specific orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model, the orientation words " inside, outside " refer to the inside and outside relative to the outline of each component.

[0023] As Figures 1-6 shown, a kind of thread rolling machine feeding device, including feeding table 1, fixedly installed with hopper 2 on the feeding table, one side of the hopper is provided with inclined guide plate and vertical baffle 3, the hopper is opposite inclined guide plate and is provided with storage tank 4, the hopper is opposite vertical baffle and is provided with feeding groove with storage tank communication, the lower end of the hopper is provided with feeding port, two feeding cylinders 5 are fixedly installed on the feeding table, the cylinder rod of the feeding cylinder is fixedly installed with push block 6, the push block is opposite feeding port and the thickness of push block is less than the height of feeding port;Vertical baffle is fixedly installed with bracket 7 on both sides, two slide rods 8 are fixedly installed between the outer end of bracket and vertical baffle, slidingly cooperated with sliding block 9 on the slide rod, the lower end of the sliding block is fixedly installed with plug-in block 10, vertical baffle is provided with the insertion slot allowing plug-in block insertion;It also includes power structure for driving sliding block to move.

[0024] In this way, screw blank 11 is placed in the storage tank and feeding groove of hopper, the size of feeding port is greater than the diameter of single screw blank, when feeding, feeding cylinder drives push block to move, and the screw blank at the lowermost end is pushed out to thread rolling machine for thread rolling operation.In the feeding process, power structure drives sliding block to move, sliding block drives plug-in block to insert into insertion slot, plug-in block is inserted between the screw blank at the lowermost end and the screw blank above it, plug-in block blocks the screw blank above it, avoids that screw blank is mutually accumulated to influence feeding, can also avoid the end of push block to wear, prolongs life.

[0025] ​​The feeding groove is matched with a single screw blank, and the screw blank is stacked in the feeding groove in the vertical direction.

[0026] In implementation, the power structure comprises a lower rack 12, which is arranged between two push blocks and fixedly connected with the push blocks through lower connecting rods 13 on both sides of the lower rack;

[0027] A gear frame 14 is fixedly installed on the vertical baffle, a gear 15 is rotatably installed on the gear frame, both sides of the gear are engaged with the lower rack and an upper rack 16 respectively, and both sides of the upper rack are fixedly connected with the sliding block through an upper connecting rod 17.

[0028] When the push block moves, the lower rack is driven to move through the lower connecting rod, the lower rack drives the gear to rotate, the gear drives the upper rack to move, and the upper rack drives the sliding block and the plug block to move through the upper connecting rod. During the entire movement process, the moving direction of the push block is opposite to that of the plug plate.

[0029] When the push block pushes the screw blank for feeding, the plug block moves away from the vertical baffle, the plug block is withdrawn from the insertion groove, the screw blank located above falls above the push block, and after the feeding is completed, the plug block is inserted into the insertion groove in the process that the feeding cylinder is retracted, that is, the plug block is inserted between the screw blank located at the lowermost position and the screw blank located above the screw blank, at this time, the push block is withdrawn from the feeding port, and then the screw blank located at the lowermost position falls into the feeding port, and the screw blanks located above cannot fall due to the limitation of the plug block, facilitating the next feeding operation. In the next feeding, the push block directly pushes the screw blank at the feeding port for feeding.

[0030] In implementation, a rack frame 18 is fixedly installed on the vertical baffle, the rack frame is fixedly connected with the vertical baffle through a guide rod 19, and the upper rack is provided with a sliding hole matched with the guide rod sliding rod. The upper rack is convenient to install and guide.

[0031] In implementation, a track 20 is fixedly installed on the feeding table, and the lower rack is provided with a track groove slidably matched with the track. The movement of the lower rack is convenient to guide.

[0032] In implementation, a pin shaft is rotatably installed on the side of the hopper away from the feeding cylinder, a limiting baffle 21 is fixedly installed on the pin shaft, and the lower end of the limiting baffle is flush with the feeding table. The screw blank located at the feeding port is convenient to limit, so as to avoid rolling directly when unnecessary feeding.

[0033] In implementation, torsional springs are sleeved on both ends of the pin shaft, and both ends of the torsional spring are fixedly connected with the pin shaft and the limiting baffle respectively. The limiting baffle has a tendency to rotate towards the feeding port, the push block drives the screw blank to move in the feeding process, the torsional force of the torsional spring is overcome, and the reliability of feeding is improved.

[0034] In implementation, the vertical baffle is fixed with a supporting block 22 below the insertion slot, and the insertion block is in sliding fit with the supporting block.

[0035] Finally, it should be noted that the skilled person can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and the statistical number thereof, the present application also intends to include these modifications and variations.

Claims

1. A feeding device for a wire rolling machine, comprising a feeding platform (1), a hopper (2) fixedly installed on the feeding platform, an inclined guide plate and a vertical baffle (3) provided on one side of the hopper, a storage trough (4) provided on the hopper facing the inclined guide plate, a feeding trough communicating with the storage trough provided on the hopper facing the vertical baffle, and a feeding port opened at the lower end of the hopper, characterized in that... ； Two feeding cylinders (5) are fixedly installed on the feeding platform. A push block (6) is fixedly installed on the cylinder rod of the feeding cylinder. The push block is set directly opposite the feeding port and the thickness of the push block is less than the height of the feeding port. A bracket (7) is fixedly installed on both sides of the vertical baffle. Two sliding rods (8) are fixedly installed between the outer end of the bracket and the vertical baffle. A slider (9) is slidably fitted on the sliding rod. An insert (10) is fixedly installed at the lower end of the slider. The vertical baffle has a slot for inserting the insert. It also includes a power structure for driving the slider to move.

2. The feeding device for a wire rolling machine according to claim 1, characterized in that, The power structure includes a lower rack (12), which is disposed between two push blocks and the two sides of the lower rack are fixedly connected to the push blocks by a lower connecting rod (13); A gear frame (14) is fixedly installed on the vertical baffle, and a gear (15) is rotatably installed on the gear frame. The two sides of the gear mesh with the lower rack and the upper rack (16) respectively. The two sides of the upper rack are fixedly connected to the slider through the upper connecting rod (17).

3. The feeding device for a wire rolling machine according to claim 2, characterized in that, A rack frame (18) is fixedly installed on the vertical baffle. The rack frame is fixedly connected to the vertical baffle through a guide rod. The upper rack has a sliding hole that cooperates with the sliding rod of the guide rod (19).

4. The feeding device for a wire rolling machine according to claim 3, characterized in that, The feeding platform is fixedly installed with a track (20), and the lower rack has a track groove that slides with the track.

5. The feeding device for a wire rolling machine according to claim 4, characterized in that, A pin is rotatably mounted on the side of the hopper away from the feeding cylinder, and a limit baffle (21) is fixedly mounted on the pin. The lower end of the limit baffle is flush with the feeding table.

6. The feeding device for a wire rolling machine according to claim 5, characterized in that, Both ends of the pin are fitted with torsion springs, and both ends of the torsion springs are fixedly connected to the pin and the limiting baffle, respectively.

7. A feeding device for a wire rolling machine according to claim 6, characterized in that, The vertical baffle is fixed with a support block (22) directly below the slot, and the insert block and the support block are slidably engaged.

Images