Screw thread rolling device

Abstract

The utility model relates to the technical field of screw production, in particular to a screw thread rolling device which comprises a thread rolling support, a first thread rolling block is movably arranged on the thread rolling support, a second thread rolling block is arranged at the position, opposite to the first thread rolling block, of the thread rolling support, and a material conveying rail is arranged on the right side of the second thread rolling block. The first thread rolling block is detachably fixed to a sliding supporting plate, and the sliding supporting plate is clamped to the first limiting rod and the second limiting rod in a sliding mode. The first limiting rod and the second limiting rod are both fixed in a supporting groove, an opening is formed in the front side face of the supporting groove, and the first thread rolling block can move front and back in the opening. According to the screw thread rolling device, the distance between the first thread rolling block and the second thread rolling block can be adjusted in a targeted mode according to the diameter of a screw, so that thread rolling of screws with different diameters is achieved, and the screw thread rolling device has high applicability.

Description

TECHNICAL FIELD

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

[0002] Screw thread rolling is a metal processing technique used to form threads on screws. This process mainly relies on the plastic deformation of metal and is achieved through specific equipment such as thread rolling machines. The distance between the moving thread rolling block and the fixed thread rolling block of existing screw thread rolling machines is fixed, which means that the screw thread rolling machine can only perform thread rolling operations on screws with fixed diameters, limiting its applicability. SUMMARY

[0003] The utility model discloses a screw thread rolling device, the distance between the first thread rolling block and the second thread rolling block can be adjusted according to the diameter of the screw, thereby realizing thread rolling on screws of different diameters, and having high applicability.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A screw thread rolling device includes a thread rolling support, a first thread rolling block movably arranged on the thread rolling support, and a second thread rolling block arranged at a position opposite to the first thread rolling block on the thread rolling support. A material conveying track is arranged on the right side of the second thread rolling block.

[0006] The first thread rolling block is detachably fixed on a sliding support plate, and the sliding support plate is slidingly arranged on the first limiting rod and the second limiting rod.

[0007] The first limiting rod and the second limiting rod are fixed in a support groove, an opening is formed on the front side of the support groove, and the first thread rolling block can move forward and backward in the opening.

[0008] As an improvement, a horizontal electric hydraulic cylinder is arranged on the rear side of the support groove, and the piston rod of the electric hydraulic cylinder is fixedly connected with the sliding support plate.

[0009] A push cylinder is horizontally arranged on the right side of the thread rolling support, and the piston rod of the push cylinder is fixedly connected with the support groove.

[0010] As an improvement, a plurality of limiting studs are fixed on the first thread rolling block, and a butt joint through hole is formed on the sliding support plate at a position opposite to the limiting studs, and the limiting studs can be inserted into the butt joint through hole.

[0011] As an improvement, a sliding limiting block is fixed on the bottom of the support groove, a sliding clamping groove is formed on the thread rolling support, the sliding limiting block can be slidingly arranged in the sliding clamping groove, and the longitudinal section of the sliding limiting block is in T shape.

[0012] As an improvement: the second thread rolling block is detachably mounted on the thread rolling support through a plurality of fixing studs.

[0013] As an improvement: a through groove is formed on the thread rolling support, and the through groove is located between the first thread rolling block and the second thread rolling block; a material guiding chute is arranged below the through groove.

[0014] As an improvement: a water conveying pipe is arranged above the second thread rolling block, and the water conveying pipe is fixed on the thread rolling support through a supporting vertical plate;

[0015] A spray pipe is connected to the output end of the water conveying pipe, and a plurality of spray heads are arranged on the bottom of the spray pipe; and the input end of the water conveying pipe is connected to an external water conveying pump.

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. The distance between the first thread rolling block and the second thread rolling block can be adjusted through the electric hydraulic cylinder, so that the thread rolling operation on screws with different diameters can be realized, and the applicability is stronger;

[0018] 2. The first thread rolling block and the second thread rolling block are detachably mounted on the thread rolling support, so that the thread rolling blocks can be flexibly replaced according to the thread type required by the screw thread rolling, and the applicability of the device is further improved;

[0019] 3. The spray heads can spray external cooling water on the first thread rolling block, the second thread rolling block and the screw, so that the cooling and lubricating operation on the three can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the utility embodiments, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description.

[0021] Fig. 1 It is a whole structure schematic view of a screw thread rolling device;

[0022] Fig. 2 It is a cross-sectional structure schematic view of a screw thread rolling device;

[0023] Wherein: 1, thread rolling support; 2, first thread rolling block; 3, second thread rolling block; 4, material conveying track; 5, material feeding block; 6, material feeding cylinder; 7, sliding support plate; 8, first limiting rod; 9, second limiting rod; 10, supporting groove; 11, opening; 12, electric hydraulic cylinder; 13, pushing cylinder; 14, sliding limiting block; 15, sliding clamping groove; 16, limiting stud; 17, butt joint through hole; 18, spray head; 19, through groove; 20, material guiding chute; 21, water conveying pipe; 22, spray pipe; 23, supporting vertical plate. DETAILED DESCRIPTION

[0024] The utility model will be described in further detail below with reference to the drawings.

[0025] Please refer to Figs. 1-2 A screw threading device, comprising a threading support 1, a first threading block 2 movably arranged on the threading support 1, a second threading block 3 arranged on the threading support 1 at a position opposite to the first threading block 2, and a material conveying track 4 arranged at the right side of the second threading block 3; a feeding block 5 is arranged at the outlet of the material conveying track 4, and the feeding block 5 is fixedly installed on the piston rod of a feeding cylinder 6; under the action of the feeding cylinder 6, the feeding block 5 can push the screw moved to the outlet of the material conveying track 4 to the space between the first threading block 2 and the second threading block 3; the material conveying track 4 and the feeding cylinder 6 are both prior art solutions, and their specific principles are not described here.

[0026] The first threading block 2 is detachably fixed on a sliding support plate 7, and the sliding support plate 7 is slidingly arranged on the first limiting rod 8 and the second limiting rod 9.

[0027] The first limiting rod 8 and the second limiting rod 9 are both fixed in a support groove 10, and an opening 11 is formed on the front side of the support groove 10; the first threading block 2 can move forward and backward in the opening 11.

[0028] A motor-driven hydraulic cylinder 12 is horizontally arranged on the rear side of the support groove 10, and the piston rod of the motor-driven hydraulic cylinder 12 is fixedly connected with the sliding support plate 7; a pushing cylinder 13 is horizontally arranged at the right side of the threading support 1, and the piston rod of the pushing cylinder 13 is fixedly connected with the support groove 10; in this embodiment, the distance between the first threading block 2 and the second threading block 3 can be adjusted by the motor-driven hydraulic cylinder 12, so that the threading operation on screws with different diameters can be realized, and the applicability is stronger.

[0029] A sliding limiting block 14 is fixed on the bottom of the support groove 10, and a sliding clamping groove 15 is formed on the threading support 1; the sliding limiting block 14 can be slidingly arranged in the sliding clamping groove 15, and the longitudinal section of the sliding limiting block 14 is T-shaped.

[0030] In this embodiment, the support groove 10 can be slidingly arranged in the sliding clamping groove 15 on the threading support 1 through the sliding clamping block; when the threading operation is performed, the stability of the equipment operation can be improved.

[0031] A plurality of limiting studs 16 are fixed on the first thread rolling block 2, and a plurality of butt joint through holes 17 are formed on the sliding support plate 7 at positions opposite to the limiting studs 16, and the limiting studs 16 can be inserted into the butt joint through holes 17. The second thread rolling block 3 is detachably mounted on the thread rolling support 1 through a plurality of fixing studs. In the embodiment, a fixed vertical plate is arranged in front of the second thread rolling block 3, and the front side of the second thread rolling block 3 is fixed on the fixed vertical plate through the fixing studs, so that the mounting stability of the second thread rolling plate is further improved.

[0032] A through groove 19 is formed on the thread rolling support 1, and the through groove 19 is located between the first thread rolling block 2 and the second thread rolling block 3. A material guiding chute 20 is arranged below the through groove 19. In the embodiment, the screw after thread rolling can fall into the material guiding chute 20, and under the action of the material guiding chute 20, the screw can be smoothly conveyed into an external receiving box.

[0033] The first thread rolling block 2 and the second thread rolling block 3 are detachably mounted on the thread rolling support 1, so that they can be flexibly replaced according to the thread type of the screw, and the applicability of the device is further improved.

[0034] A water supply pipe 21 is arranged above the second thread rolling block 3, and the water supply pipe 21 is fixed on the thread rolling support 1 through a support vertical plate 23. A spraying pipe 22 is connected to the output end of the water supply pipe 21, and a plurality of spraying heads 18 are arranged on the bottom of the spraying pipe 22. The input end of the water supply pipe 21 is connected to an external water supply pump.

[0035] In the embodiment, the spraying heads 18 can uniformly spray external cooling water on the first thread rolling block 2, the second thread rolling block 3 and the screw, so as to realize cooling and lubrication of the three.

[0036] Working principle: first, the distance between the first thread rolling block 2 and the second thread rolling block 3 is adjusted through the electric hydraulic cylinder 12, so that it is matched with the screw to be rolled, and then the screw is moved between the first thread rolling block 2 and the second thread rolling block 3 under the action of the conveying track and the feeding block 5, and the first thread rolling block 2 in the support groove 10 is driven by the push cylinder 13 to move back and forth to realize thread rolling of the screw.

[0037] At the same time, the external cooling water is sprayed on the first thread rolling block 2, the second thread rolling block 3 and the screw through the spraying heads 18 during the thread rolling.

[0038] It should be explained finally that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it; although the utility model has been explained in detail with reference to the preferred embodiments, those skilled in the art should understand that; the specific implementation of the utility model can still be modified or some technical features can be replaced equivalently; without departing from the spirit of the technical scheme of the utility model, it should be covered in the technical scheme range of the utility model claimed by the utility model.

Claims

1. A screw threading apparatus, comprising: Including a thread rolling support, a first thread rolling block is movably arranged on the thread rolling support, a second thread rolling block is arranged at a position opposite to the first thread rolling block on the thread rolling support, a material conveying track is arranged at the right side of the second thread rolling block; The first thread rolling block is detachably fixed on a sliding support plate, the sliding support plate is slidingly arranged on the first limiting rod and the second limiting rod; The first limiting rod and the second limiting rod are both fixed in a support groove, an opening is formed on the front side of the support groove, and the first thread rolling block can move forward and backward in the opening.

2. The screw threading apparatus of claim 1, wherein, An electric hydraulic cylinder is horizontally arranged on the rear side of the support groove, and the piston rod of the electric hydraulic cylinder is fixedly connected with the sliding support plate; A pushing cylinder is horizontally arranged at the right side of the thread rolling support, and the piston rod of the pushing cylinder is fixedly connected with the support groove.

3. The screw threading apparatus of claim 1, wherein, A plurality of limiting studs are fixed on the first thread rolling block, and a butt joint through hole is formed at a position opposite to the limiting stud on the sliding support plate, and the limiting stud can be inserted into the butt joint through hole.

4. The screw threading apparatus of claim 1, wherein, A sliding limiting block is fixed at the bottom of the support groove, a sliding clamping groove is formed on the thread rolling support, the sliding limiting block can be slidingly arranged in the sliding clamping groove, and the longitudinal section of the sliding limiting block is T-shaped.

5. The screw threading apparatus of claim 1, wherein, The second thread rolling block is detachably mounted on the thread rolling support through a plurality of fixing studs.

6. The screw threading apparatus of claim 1, wherein, A through groove is formed on the thread rolling support, and the through groove is located between the first thread rolling block and the second thread rolling block; A material guiding inclined chute is arranged below the through groove.

7. The screw threading apparatus of claim 1, wherein, A water conveying pipe is arranged above the second thread rolling block, and the water conveying pipe is fixed on the thread rolling support through a support vertical plate; A spray pipe is connected to the output end of the water conveying pipe, a plurality of spray heads are distributed on the bottom of the spray pipe, and the input end of the water conveying pipe is connected with an external water pump.

Images