Screw thread rolling device

Abstract

The utility model provides a screw thread rolling device which comprises a movable plate and a fixed plate, and forming blocks are arranged on the movable plate and the fixed plate. And the cooling box is arranged in the fixing plate, cooling units are symmetrically arranged in the cooling box, each cooling unit comprises a cooling pipe and a heat dissipation block making contact with the forming block, heat dissipation grooves are formed in the heat dissipation blocks in a linear array mode, and the cooling pipes are wound in the heat dissipation grooves. According to the screw thread rolling device provided by the utility model, the cooling unit is utilized, so that the forming block is heated due to friction in the thread rolling process, the heat dissipation block is in contact with the forming block, heat is guided to exchange heat with liquid in the cooling pipe, and the effect of cooling the forming block is further achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw processing technical field, concretely relates to a screw thread rolling device. BACKGROUND

[0002] The size of the thread pitch in the screw is controlled by the pitch of the thread rolling plate groove, and the screw is formed into spiral embossing under the extrusion of the plate tooth through the interaction of the movable plate tooth and the fixed plate tooth. However, in the process of screw thread rolling, a large amount of heat is generated under the high-speed operation of the movable plate tooth and the fixed plate tooth, and the cooling liquid is sprayed to the surface of the movable plate tooth and the fixed plate through the pipe body, but the movable plate tooth and the fixed plate are often in the form of a square, and the cooling liquid cannot completely cover, resulting in poor cooling effect and affecting the production quality of the screw. SUMMARY

[0003] The utility model aims at solving the problem of poor cooling effect in the process of screw thread rolling.

[0004] In order to realize the above-mentioned purpose, the utility model can realize through the following technical schemes: a screw thread rolling device, comprising: a movable plate and a fixed plate, the movable plate and the fixed plate are provided with a forming block;

[0005] A cooling box is arranged in the fixed plate, and a cooling unit is arranged symmetrically in the cooling box, the cooling unit comprises a cooling pipe and a heat dissipation block in contact with the forming block, a heat dissipation groove is linearly arranged on the heat dissipation block, and the cooling pipe is wound in the heat dissipation groove.

[0006] In the utility model embodiment, recesses and water outlets are linearly arranged on the fixed plate, a sliding block for blocking the water outlet is arranged in the recess, a second spring is arranged between the sliding block and the recess, an arc-shaped part is arranged on the sliding block, the movable plate moves to contact the arc-shaped part, and the sliding block is away from the water outlet.

[0007] In the utility model embodiment, a push block is arranged on the movable plate, a first spring is arranged between the push block and the movable plate, and the push block cooperates with the arc-shaped part.

[0008] In the utility model embodiment, an inclined part is arranged on the push block, and a 45° angle is formed between the inclined part and the movable plate.

[0009] In the utility model embodiment, the forming block comprises a tooth-shaped plate and a clamping plate, locking columns are linearly arranged on the clamping plate, and the tooth-shaped plate is fixed on the movable plate or the fixed plate through the clamping plate.

[0010] The utility model discloses an embodiment, the fixed plate is provided with the liquid feeding connector symmetry, the liquid feeding connector is connected with three -way connector, three -way connector is provided with first water pipe and second water pipe, second water pipe with cooling pipe is linked together.

[0011] An embodiment of the utility model discloses an embodiment, the fixed plate is provided with the third spring of pulling back the radiating block symmetry, the fixed plate is provided with the sliding slot of cooperation with cooling pipe symmetry.

[0012] Compared with the prior art, the utility model discloses an embodiment, the cooling unit is utilized, and the forming block is heated by friction in the process of wire twisting, the radiating block contacts the forming block, and heat exchange between the liquid in the cooling pipe is guided, and the effect of cooling the forming block is formed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram;

[0014] Figure 2 It is the partial part enlarged structure schematic diagram of movable plate and fixed plate;

[0015] Figure 3 It is the structure schematic diagram of fixed plate explosion division;

[0016] Figure 4 It is Figure 3 The enlarged view of A part in Fig.

[0017] BRIEF DESCRIPTION OF DRAWINGS

[0018] 1, movable plate;11, first spring;12, push block;13, inclined portion;2, fixed plate;21, recess;22, second spring;23, sliding block;231, arc portion;24, water outlet hole;3, cooling box;31, cooling unit;310, third spring;311, first water pipe;312, three -way connector;313, second water pipe;314, cooling pipe;315, radiating block;316, sliding slot;32, liquid feeding connector;4, forming block;41, toothed plate;42, clamping plate;43, locking column. DETAILED DESCRIPTION

[0019] The following is a specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described.

[0020] As Figures 1-4 Shown, a screw wire twisting device, including: movable plate 1 and fixed plate 2, movable plate 1 and fixed plate 2 all are provided with forming block 4;

[0021] A cooling box 3 is arranged in the fixed plate 2, and cooling units 31 are symmetrically arranged in the cooling box 3, wherein the cooling unit 31 comprises a cooling pipe 314 and a heat dissipation block 315 in contact with the forming block 4, and the heat dissipation block 315 is provided with heat dissipation grooves in linear array, and the cooling pipe 314 is wound in the heat dissipation grooves.

[0022] Specifically, the movable plate 1 reciprocates relative to the fixed plate 2 during the thread rolling process, and the forming blocks 4 are arranged on the movable plate 1 and the fixed plate 2, and the forming blocks 4 are provided with tooth-shaped grooves for extruding screws, and when the screws are rolled, the screws are pushed by the movable plate 1 to be extruded relative to the fixed plate 2, so that a large amount of heat is generated on the surface of the forming block 4, the heat on the forming block 4 is dissipated by the heat dissipation block 315, and the cooling pipe 314 guides the cooling liquid to exchange heat with the heat dissipation block 315, thereby further improving the heat dissipation effect of the forming block 4.

[0023] As a further provided embodiment of the utility model, recesses 21 and water outlet holes 24 are respectively arranged in linear array on the fixed plate 2, a sliding block 23 for sealing the water outlet holes 24 is arranged in the recess 21 in a sliding mode, a second spring 22 is arranged between the sliding block 23 and the recess 21, an arc-shaped part 231 is arranged on the sliding block 23, the movable plate 1 moves to contact the arc-shaped part 231, so that the sliding block 23 moves away from the water outlet holes 24, and the elastic pushing force of the second spring 22 is utilized, so that the sliding block 23 always seals the water outlet holes 24, and when the sliding block 23 moves to the farthest point of the recess 21 by the contact of the arc-shaped part 231 and the pushing block 12, the pushing block 12 is extruded and slides by the arc-shaped part 231, the first spring 11 is extruded, and the sliding block 23 recontacts and seals the water outlet holes 24 under the pushing of the second spring 22.

[0024] As a further provided embodiment of the utility model, a pushing block 12 is arranged on the movable plate 1 in a sliding mode, a first spring 11 is arranged between the pushing block 12 and the movable plate 1, the pushing block 12 cooperates with the arc-shaped part 231, and when the movable plate 1 reciprocates relative to the movable plate 1, the pushing block 12 contacts the arc-shaped part 231, so that the sliding block 23 is separated from the water outlet holes 24, and the water outlet holes 24 spray the cooling liquid to the screws at the angle of the pushing block 12 to dissipate heat.

[0025] As a further provided embodiment of the utility model, an inclined part 13 is arranged on the pushing block 12, and the inclined part 13 forms a 45° angle with the movable plate 1, and the angle can be changed according to the size of the screw, so that the pushing block 12 supports the screw and improves the thread rolling effect.

[0026] As the further provided embodiment of the utility model, the shaped block 4 includes the toothed plate and the clamp plate 42, the locking column 43 is arranged in linear array on the clamp plate 42, the toothed plate is fixed on the movable plate 1 or the fixed plate 2 through the clamp plate 42, the locking column 43 is screwed with the fixed plate 2 or the movable plate 1 through the clamp plate 42, the toothed plate 41 is fixed on the movable plate 1 or the fixed plate 2 by using the clamp plate 42, and the toothed plate 41 can be replaced by separating the locking column 43 under the same reason that the toothed plate 41 will be abraded under long-time work.

[0027] As the further provided embodiment of the utility model, the fixed plate 2 is symmetrically provided with the liquid feeding connector 32, the three-way connector 312 is clamped on the liquid feeding connector 32, the first water conveying pipe 311 and the second water conveying pipe 313 are arranged on the three-way connector 312, the second water conveying pipe 313 is communicated with the cooling pipe 314, the first water conveying pipe 311 is communicated with the water outlet hole 24, the second water conveying pipe 313 is communicated with the cooling pipe 314, and the cooling pipe 314 is provided with at least two groups of pipe bodies and is in contact with the heat dissipation block 315.

[0028] As the further provided embodiment of the utility model, the fixed plate 2 is symmetrically provided with the third spring 310 for pulling back the heat dissipation block 315, the fixed plate 2 is symmetrically provided with the sliding groove 316 matched with the cooling pipe 314, the heat dissipation block 315 is fully contacted with the toothed plate 41 by the elastic pulling back of the third spring 310, and the sliding groove 316 can provide a certain moving distance of the cooling pipe 314 under the movement of the heat dissipation block 315.

[0029] Working principle: first, the screw is pushed to the inclined part 13 of the push block 12 by other equipment, is pulled back by the first spring 11, the supporting effect of the screw is improved, the phenomenon that the screw is inclined is reduced, then when the movable plate 1 moves relative to the fixed plate 2, the cooling liquid is introduced by the liquid feeding connector 32, the cooling liquid flows to the water outlet hole 24 or the cooling pipe 314 through the three-way connector 312, when the push block 12 is in contact with the arc-shaped part 231, the sliding block 23 is slid in the groove 21 to expose the water outlet hole 24, under the action of water pressure, water flow is sprayed to the included angle between the inclined part 13 and the movable plate 1, the heat dissipation effect of the screw during thread rolling is improved, and the cooling pipe 314 exchanges heat with the heat dissipation block 315, the toothed plate of the fixed plate 2 is cooled, and the heat dissipation effect of the screw is further improved.

[0030] The above technical scheme of the utility model provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, which will not be repeated.

[0031] The technical solutions in the above embodiments have clearly and completely described the content of the utility model. Apparently, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

Claims

1. A screw thread rolling device, characterised in that, Include: The movable plate and the fixed plate are provided with shaped blocks; Cooling box, provided in the fixed plate, the cooling box is provided with cooling unit in the symmetry, the cooling unit includes cooling pipe and the heat dissipation block which contacts with the shaped block, the heat dissipation block is opened with the heat dissipation groove in linear array, the cooling pipe is wound in the heat dissipation groove; The fixed plate is opened with recess and water outlet hole in linear array respectively, the sliding block that the recess in the sliding block is provided with is closed the water outlet hole, the second spring is arranged between the sliding block and the recess, the arc part is arranged on the sliding block, the movable plate moves to contact the arc part, make the sliding block away from the water outlet hole; The push block is arranged on the movable plate and is provided with the first spring between the push block and the movable plate, and the push block is matched with the arc part.

2. A screw thread rolling device according to claim 1, wherein The inclined part is arranged on the push block, and the inclined part and the movable plate form a 45° angle.

3. A screw thread rolling device according to claim 1, wherein The shaped block includes the toothed plate and the clamping plate, the clamping plate is arranged with locking column in linear array, and the toothed plate is fixed on the movable plate or the fixed plate through the clamping plate.

4. A screw thread rolling device according to claim 1, wherein The fixed plate is provided with liquid adding connector in the symmetry, the three-way connector is clamped on the liquid adding connector, the first water pipe and the second water pipe are arranged on the three-way connector, and the second water pipe is communicated with the cooling pipe.

5. The screw thread rolling device according to claim 1, wherein, The fixed plate is provided with the third spring in the symmetry, and the fixed plate is opened with the sliding groove matched with the cooling pipe in the symmetry.

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