阅读说明：本技术 一种机械模具表面磨削处理装置 (Mechanical die surface grinding processing apparatus ) 是由 张美灵 肖芳 于 2021-09-22 设计创作，主要内容包括：本发明适用于表面处理技术领域,提供了一种机械模具表面磨削处理装置,包括：承载台,用于承载模具本体；定位单元,设置于承载台上,用于固定模具本体；磨削辊,设置于承载台一侧,用于打磨模具本体内槽面,数量为两个；调节机构,设置于磨削辊远离模具本体的一端,用于调节磨削辊位置；伸缩连接单元,设置于两个磨削辊靠近模具本体的一端内侧,可沿着自身轴线方向伸缩；支架,固定于承载台上；安装板,与调节机构连接,两端与支架滑动连接；升降机构,安装于承载台上,用于带动安装板升降；以及第一驱动单元,用于驱动磨削辊旋转,从而实现能够对不同规格的机械模具快速磨削。(The invention is suitable for the technical field of surface treatment, and provides a mechanical die surface grinding treatment device, which comprises: the bearing table is used for bearing the die body; the positioning unit is arranged on the bearing table and used for fixing the die body; the grinding rollers are arranged on one side of the bearing table and used for grinding the inner groove surfaces of the die body, and the number of the grinding rollers is two; the adjusting mechanism is arranged at one end of the grinding roller, which is far away from the die body, and is used for adjusting the position of the grinding roller; the telescopic connecting unit is arranged on the inner side of one end of each of the two grinding rollers close to the die body and can be stretched along the axis direction of the telescopic connecting unit; the bracket is fixed on the bearing table; the mounting plate is connected with the adjusting mechanism, and two ends of the mounting plate are connected with the bracket in a sliding manner; the lifting mechanism is arranged on the bearing table and used for driving the mounting plate to lift; and the first driving unit is used for driving the grinding roller to rotate, so that the mechanical dies with different specifications can be quickly ground.)

1. A mechanical die surface grinding treatment device, characterized in that, the device includes:

the bearing table is used for bearing the die body;

the positioning unit is arranged on the bearing table and used for fixing the die body;

the grinding rollers are arranged on one side of the bearing table and used for grinding the inner groove surfaces of the die body, and the number of the grinding rollers is two;

the adjusting mechanism is arranged at one end of the grinding roller, which is far away from the die body, and is used for adjusting the position of the grinding roller;

the telescopic connecting unit is arranged on the inner side of one end of each of the two grinding rollers close to the die body and can be stretched along the axis direction of the telescopic connecting unit;

the bracket is fixed on the bearing table;

the mounting plate is connected with the adjusting mechanism, and two ends of the mounting plate are connected with the bracket in a sliding manner;

the lifting mechanism is arranged on the bearing table and used for driving the mounting plate to lift; and

and the first driving unit is used for driving the grinding roller to rotate.

2. The mechanical die surface grinding treatment device according to claim 1, wherein the adjusting mechanism includes:

the two first driving rods are fixed with one grinding roller through locking assemblies respectively;

the sliding seats are arranged on the mounting plate in a sliding manner, and are respectively connected with the corresponding first driving rods in a rotating manner;

the nut block is connected with the sliding seat through an elastic limiting piece;

the screw is rotationally arranged on the mounting plate and is in threaded connection with the nut block; and

and the second driving unit is arranged between the two sliding seats and is used for driving the screw rod to rotate.

3. The mechanical die surface grinding treatment device according to claim 2, wherein the elastic limiting member comprises:

the fixing block is fixed on the nut block; and

one end of the elastic rope is fixed on the fixed block, and the other end of the elastic rope is fixed on the sliding seat.

4. The mechanical die face grinding treatment apparatus of claim 2, wherein the locking assembly comprises:

the limiting plate is fixed on the first driving rod and is abutted against the grinding roller; and

and the fastening piece is abutted against the grinding roller and is in threaded connection with one end, far away from the sliding seat, of the first driving rod.

5. The surface grinding treatment device for the mechanical die as claimed in claim 4, wherein the grinding roller is provided with an open slot for accommodating the fastener, the grinding roller is provided with a fixed slot matched with the first driving rod, a second elastic member sleeved outside the fastener is arranged in the fixed slot, and the second elastic member is positioned between the end face of the first driving rod and the head of the fastener.

6. The mechanical die surface grinding treatment apparatus according to claim 2, wherein the second drive unit includes:

the second driving rod is arranged between the two screw rods;

the first bevel gear is arranged on the second driving rod;

the second bevel gear is arranged on the screw rod and is in meshed connection with the first bevel gear;

the first rotating limiting sleeve is rotatably connected with the mounting plate and is in sliding connection with the second driving rod; and

and the power assembly is arranged on the bracket and used for driving the second driving rod to rotate.

7. The surface grinding device for mechanical dies according to claim 6, wherein a jacking member is arranged between the second driving rod and the telescopic connection unit, the jacking member is used for driving the second driving rod to move, an induction assembly is arranged between the sliding seat and the nut block, the first driving unit is arranged between the second driving rod and the first driving rod, and the device further comprises a power supply unit used for providing power.

8. The mechanical die surface grinding treatment apparatus of claim 7, wherein the induction assembly comprises:

the first electrode plate is arranged on the sliding seat; and

the second electrode plate is arranged on the nut block and is attached to the first electrode plate;

when the first electrode plate is contacted with the second electrode plate, the power supply unit supplies power to the jacking piece, and the jacking piece drives the second driving rod to move upwards;

when the first electrode plate is not in contact with the second electrode plate, the power supply unit stops supplying power to the jacking piece, and the second driving rod drives the second driving rod to move downwards.

9. The mechanical die surface grinding treatment device according to claim 7, wherein the first drive unit includes:

the first cylindrical gear is arranged on the second driving rod; and

and the second cylindrical gear is arranged on the first driving rod and is in meshed connection with the first cylindrical gear.

10. The mechanical die surface grinding treatment device of claim 7, wherein the power assembly comprises:

the second rotating limiting sleeve is rotatably connected with the bracket and is in sliding connection with the second driving rod;

the third bevel gear is arranged on the second rotating limiting sleeve;

the driving motor is arranged on the bracket; and

and the fourth bevel gear is arranged on a motor shaft of the driving motor and is in meshed connection with the third bevel gear.

Technical Field

The invention belongs to the technical field of surface treatment, and particularly relates to a mechanical die surface grinding treatment device.

Background

Grinding is a mechanical process for removing material used to machine the internal and external cylindrical surfaces, conical surfaces and flat surfaces of various workpieces, as well as special and complex shaped surfaces such as threads, gears and splines.

In the machining and manufacturing process of the mechanical die, the inner groove surface of the mechanical die needs to be ground, so that the flatness requirement of a product is guaranteed.

The conventional grinding treatment means for the inner groove surface of the mechanical die is mostly grinding by using a manual hand-held tool, and the grinding treatment device has the advantages of being suitable for treating various inner groove surfaces, flexible and convenient to use, and low in labor intensity and working efficiency.

In view of this problem, there are high-efficiency grinding processing apparatuses in the prior art, but there is a problem that most of them are not suitable for machine dies having different inner diameters.

Disclosure of Invention

An object of an embodiment of the present invention is to provide a device for grinding a surface of a mechanical mold, which is to solve the problems mentioned in the background art.

The embodiment of the invention is realized in such a way that a mechanical die surface grinding processing device comprises:

the bearing table is used for bearing the die body;

the positioning unit is arranged on the bearing table and used for fixing the die body;

the grinding rollers are arranged on one side of the bearing table and used for grinding the inner groove surfaces of the die body, and the number of the grinding rollers is two;

the adjusting mechanism is arranged at one end of the grinding roller, which is far away from the die body, and is used for adjusting the position of the grinding roller;

the telescopic connecting unit is arranged on the inner side of one end of each of the two grinding rollers close to the die body and can be stretched along the axis direction of the telescopic connecting unit;

the bracket is fixed on the bearing table;

the mounting plate is connected with the adjusting mechanism, and two ends of the mounting plate are connected with the bracket in a sliding manner;

the lifting mechanism is arranged on the bearing table and used for driving the mounting plate to lift; and

and the first driving unit is used for driving the grinding roller to rotate.

Preferably, the adjustment mechanism comprises:

the two first driving rods are fixed with one grinding roller through locking assemblies respectively;

the sliding seats are arranged on the mounting plate in a sliding manner, and are respectively connected with the corresponding first driving rods in a rotating manner;

the nut block is connected with the sliding seat through an elastic limiting piece;

the screw is rotationally arranged on the mounting plate and is in threaded connection with the nut block; and

and the second driving unit is arranged between the two sliding seats and is used for driving the screw rod to rotate.

Preferably, the elastic stopper includes:

the fixing block is fixed on the nut block; and

one end of the elastic rope is fixed on the fixed block, and the other end of the elastic rope is fixed on the sliding seat.

Preferably, the locking assembly comprises:

the limiting plate is fixed on the first driving rod and is abutted against the grinding roller; and

and the fastening piece is abutted against the grinding roller and is in threaded connection with one end, far away from the sliding seat, of the first driving rod.

Preferably, the grinding roller is provided with an open slot for accommodating the fastener, the grinding roller is provided with a fixing slot matched with the first driving rod, a second elastic part sleeved outside the fastener is arranged in the fixing slot, and the second elastic part is located between the end face of the first driving rod and the head of the fastener.

Preferably, the second driving unit includes:

the second driving rod is arranged between the screw rods;

the first bevel gear is arranged on the second driving rod;

the second bevel gear is arranged on the screw rod and is in meshed connection with the first bevel gear;

the first rotating limiting sleeve is rotatably connected with the mounting plate and is in sliding connection with the second driving rod; and

and the power assembly is arranged on the bracket and used for driving the second driving rod to rotate.

Preferably, be provided with the jack-up piece between second actuating lever and the flexible connecting unit, the jack-up piece is used for driving the second actuating lever and removes, be provided with response subassembly between sliding seat and the nut piece, first drive unit sets up between second actuating lever and the first actuating lever, the device still includes power supply unit, and power supply unit is used for providing the power.

Preferably, the sensing assembly comprises:

the first electrode plate is arranged on the sliding seat; and

the second electrode plate is arranged on the nut block and is attached to the first electrode plate;

when the first electrode plate is contacted with the second electrode plate, the bracket supplies power to the jacking piece, and the jacking piece drives the second driving rod to move upwards;

when the first electrode plate is not contacted with the second electrode plate, the support stops supplying power to the jacking piece, and the second driving rod drives the second driving rod to move downwards.

Preferably, the first driving unit includes:

the first cylindrical gear is arranged on the second driving rod; and

and the second cylindrical gear is arranged on the first driving rod and is in meshed connection with the first cylindrical gear.

Preferably, the power assembly comprises:

the second rotating limiting sleeve is rotatably connected with the bracket and is in sliding connection with the second driving rod;

the third bevel gear is arranged on the second rotating limiting sleeve;

the driving motor is arranged on the bracket; and

and the fourth bevel gear is arranged on a motor shaft of the driving motor and is in meshed connection with the third bevel gear.

The mechanical die surface grinding treatment device provided by the embodiment of the invention has the advantages that the grinding rollers, the telescopic connecting unit, the adjusting mechanism, the mounting plate, the bracket, the positioning unit and the bearing table are arranged, the die body is fixedly positioned by the positioning unit, so that the die body is positioned right below the two grinding rollers, then the mounting plate is driven by the lifting mechanism to drive the adjusting mechanism to move towards the die body until the adjusting mechanism drives the grinding rollers to enter the telescopic connecting unit, at the moment, the two grinding rollers are adjusted by the adjusting mechanism to abut against the inner wall of the die body, at the moment, because of the existence of the telescopic connecting unit, the two grinding rollers are tightly abutted against the inner wall of the die body, then the first driving unit is started, the first driving unit drives the grinding rollers to rotate, the surface of the die body is ground, and dies with different inner diameters can be ground, and high efficiency and high speed, and is suitable for mechanical dies with different specifications.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical die surface grinding device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a schematic cross-sectional view of an expansion joint unit in a mechanical die surface grinding device according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a grinding roller in a mechanical die surface grinding device according to an embodiment of the present invention.

In the drawings: 1-grinding a roller; 2-a telescopic connection unit; 201-a first slide bar; 202-a slide block; 203-a chute; 204-a first elastic member; 205-a second slide bar; 3-an adjusting mechanism; 301-a first drive rod; 302-a sliding seat; 303-nut block; 304-a screw; 305-a seated bearing; 4-an elastic limit piece; 401-fixed block; 402-an elastic cord; 5, mounting a plate; 6-a second drive unit; 601-a second drive rod; 602-a first bevel gear; 603-a second bevel gear; 604-a first rotating stop collar; 605-a jack-up member; 7-a power assembly; 701-a second rotary limiting sleeve; 702-a third bevel gear; 703-a drive motor; 704-a fourth bevel gear; 8-a first drive unit; 801-a first cylindrical gear; 802-second cylindrical gear; 9-an inductive component; 901-a first electrode sheet; 902-a second electrode sheet; 10-a scaffold; 11-a power supply unit; 12-a positioning unit; 13-open slots; 14-a fastener; 15-fixing grooves; 16-a second elastic member; 17-a ball bearing; 18-a limiting plate; 19-a carrier table; 20-die body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a schematic structural diagram of a mechanical mold surface grinding device according to an embodiment of the present invention is provided, where the device includes:

a carrying table 19 for carrying the mold body 20;

a positioning unit 12 disposed on the bearing table 19 for fixing the mold body 20;

the grinding rollers 1 are arranged on one side of the bearing table 19 and used for grinding the inner groove surfaces of the die body 20, and the number of the grinding rollers is two;

the adjusting mechanism 3 is arranged at one end of the grinding roller 1, which is far away from the die body 20, and is used for adjusting the position of the grinding roller 1;

the telescopic connecting unit 2 is arranged on the inner side of one end of each of the two grinding rollers 1 close to the die body 20 and can be stretched along the axis direction of the telescopic connecting unit;

a bracket 10 fixed on the bearing platform 19;

the mounting plate 5 is connected with the adjusting mechanism 3, and two ends of the mounting plate are connected with the bracket 10 in a sliding manner;

a lifting mechanism (not shown in the figure) mounted on the bearing platform 19 for driving the mounting plate 5 to lift; and

and a first driving unit 8 for driving the grinding roller 1 to rotate.

In the embodiment of the present invention, the mold body 20 is first fixedly positioned by the positioning unit 12, so that the mold body 20 is located directly below between the two grinding rolls 1, then the mounting plate 5 is driven by the lifting mechanism to drive the adjusting mechanism 3 to move towards the die body 20 until the adjusting mechanism 3 drives the grinding rollers 1 to enter the telescopic connecting unit 2, at the moment, the adjusting mechanism 3 adjusts the two grinding rollers 1 to abut against the inner wall of the die body 20, at the moment, due to the existence of the telescopic connecting unit 2, the two grinding rollers 1 are tightly abutted against the inner wall of the die body 20, then the first driving unit is started, and the first driving unit drives the grinding rollers 1 to rotate, the surface of the die body 20 is ground, so that the surfaces with different inner diameters can be ground efficiently and quickly, and the die is suitable for mechanical dies with different specifications.

It should be noted that the lifting mechanism and the positioning unit 12 are the prior art and are not the innovation point of the present invention, and therefore are not described again; the first drive means may be broadly referred to herein as being capable of driving the grinding roll 1 to rotate.

As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the adjusting mechanism 3 includes:

two first driving rods 301 which are fixed with one grinding roller 1 through locking assemblies respectively;

the sliding seats 302 are arranged on the mounting plate 5 in a sliding manner, and are respectively connected with the corresponding first driving rods 301 in a rotating manner;

the nut block 303 is connected with the sliding seat 302 through an elastic limiting piece 4;

the screw 304 is rotatably arranged on the mounting plate 5 and is in threaded connection with the nut block 303; and

and the second driving unit 6 is arranged between the two sliding seats 302 and is used for driving the screw 304 to rotate.

In the embodiment of the present invention, by mounting the grinding roller 1 on the first driving rod 301, then fixing by the locking assembly, and then driving the screw 304 to rotate by the second driving unit 6, the screw 304 rotates to regulate the grinding roller 1 to move towards the inner wall of the mold body 20, thereby being applicable to mechanical molds with different inner diameters.

It should be noted that the adjusting mechanism 3 can also adopt a crank-link mechanism to achieve the effect of adjusting the position of the grinding roller 1.

In one aspect of the present embodiment, a seated bearing 305 fixedly connected to the mounting plate 5 is rotatably connected to one end of the screw 304, and the screw 304 is rotatably disposed on the mounting plate 5 through this arrangement.

As shown in fig. 2, in one aspect of the present embodiment, the elastic limiting member 4 includes:

a fixing block 401 fixed to the nut block 303; and

one end of the elastic rope 402 is fixed on the fixing block 401, and the other end is fixed on the sliding seat 302.

Specifically, the fixed block 401 and the elastic rope 402 prevent the sliding seat 302 and the nut block 303 from being separated, and the sliding seat 302 and the nut block 303 may be dislocated at a certain distance by the elasticity of the elastic rope 402, and of course, the elastic limiting member 4 may have other structures, such as a spring, an elastic sheet, and the like.

As shown in the drawings, as another preferred embodiment of the present invention, the second driving unit 6 includes:

a second driving rod 601 disposed between the screws 304;

a first bevel gear 602 mounted on the second driving lever 601;

the second bevel gear 603 is mounted on the screw 304 and is in meshed connection with the first bevel gear 602;

the first rotating limiting sleeve 604 is rotatably connected with the mounting plate 5 and is connected with the second driving rod 601 in a sliding manner; and

and the power assembly 7 is mounted on the bracket 10 and is used for driving the second driving rod 601 to rotate.

In the embodiment of the invention, the power assembly 7 drives the second driving rod 601 to rotate, the second driving rod 601 drives the first bevel gear 602 to rotate, the first bevel gear 602 drives the second bevel gear 603 to rotate so as to drive the screw 304 to rotate, the screw 304 drives the nut block 303 to move, the nut block 303 drives the sliding seat 302 to slide along the mounting plate 5, and further drives the grinding roller 1 to move, so as to adjust the position of the grinding roller 1.

It is stated that the second drive unit 6 can also be configured as a worm gear to achieve the same effect.

As shown in fig. 1 and fig. 2, as another preferred embodiment of the present invention, a jacking member 605 is disposed between the second driving rod 601 and the telescopic connection unit 2, the jacking member 605 is used for driving the second driving rod 601 to move, an induction assembly 9 is disposed between the sliding seat 302 and the nut block 303, the first driving unit 8 is disposed between the second driving rod 601 and the first driving rod 301, and the apparatus further includes a power supply unit 11, and the power supply unit 11 is used for providing power.

In the embodiment of the present invention, when the grinding roller 1 abuts against the inner wall of the mold body 20, the screw 304 continues to rotate, so that the sliding seat 302 and the nut block 303 are dislocated through the elastic limiting member 4, the sliding seat 302 and the nut block 303 are dislocated to trigger the sensing component 9, the sensing component 9 controls the jacking member 605 to drive the second driving rod 601 to move downward, at this time, the first bevel gear 602 and the second bevel gear 603 are not engaged, and the first driving unit 8 enables the second driving rod 601 to drive the first driving rod 301 to rotate, so as to polish the inner wall of the mold body 20, thereby achieving automatic conversion of the driving portion.

It is stated that the jack-up 605 may be a cylinder controlled by a solenoid valve.

In one case of the present embodiment, the sensing assembly 9 comprises:

a first electrode sheet 901 disposed on the sliding seat 302; and

a second electrode plate 902 provided on the nut block 303 and attached to the first electrode plate 901;

when the first electrode plate 901 contacts with the second electrode plate 902, the power supply unit 11 supplies power to the jacking piece 605, and the jacking piece 605 drives the second driving rod 601 to move upwards;

when the first electrode sheet 901 is not in contact with the second electrode sheet 902, the power supply unit 11 stops supplying power to the jacking piece 605, and the second driving rod 601 drives the second driving rod 601 to move downwards.

Specifically, through this setting, realize breaking the connection of nut piece 303 and second actuating lever 601 automatically, response subassembly 9 also can adopt photoelectric sensor to realize the same effect.

In one case of the present embodiment, the first drive unit 8 includes:

a first cylindrical gear 801 mounted on the second drive rod 601; and

and the second cylindrical gear 802 is mounted on the first driving rod 301 and is in meshed connection with the first cylindrical gear 801.

Specifically, by setting the width of the second cylindrical gear 802, the movement of the first cylindrical gear 801 does not affect the engagement with the second cylindrical gear 802.

It should be noted that, here, the first cylindrical gear 801 and the second cylindrical gear 802 may also be in non-meshed connection, an elastic force is provided to drive the first cylindrical gear 801 to approach the second cylindrical gear 802, and when the first cylindrical gear 801 rotates to a position where the first cylindrical gear 801 is meshed with the second cylindrical gear 802, the second cylindrical gear 802 is meshed with the first cylindrical gear 801 under the driving of the elastic force.

As shown in fig. 1, as another preferred embodiment of the present invention, the power assembly 7 includes:

the second rotating limiting sleeve 701 is rotatably connected with the bracket 10 and is connected with the second driving rod 601 in a sliding manner;

a third bevel gear 702 mounted on the second rotation limiting sleeve 701;

a driving motor 703 mounted on the support 10; and

and a fourth bevel gear 704 which is mounted on a motor shaft of the driving motor 703 and is in meshed connection with the third bevel gear 702.

In the embodiment of the present invention, by starting the driving motor 703, the driving motor 703 drives the fourth bevel gear 704 to rotate the third bevel gear 702, and the third bevel gear 702 drives the second rotation limiting sleeve 701 to rotate so as to drive the second driving rod 601 to rotate.

It should be noted that the driving motor 703 may be directly connected to the second driving rod 601.

As shown in fig. 1 and 4, as another preferred embodiment of the present invention, the telescopic connection unit 2 includes:

a first slide 201, close to one grinding roller 1;

the sliding block 202 is connected with the first sliding rod 201 in a sliding mode, and the first sliding rod 201 is provided with a sliding groove 203 matched with the sliding block 202;

the second sliding rod 205 penetrates through the first sliding rod 201 and is fixedly connected with the sliding block 202;

the first elastic piece 204 is arranged in the sliding groove 203, is positioned on one side of the sliding block 202 away from the second sliding rod 205, and is used for connecting the sliding block 202 and the inner wall of the sliding groove 203; and

two balls 17 are arranged between the second slide bar 205 and the grinding roller 1 and between the first slide bar 201 and the grinding roller 1;

the grinding roller 1, the first slide bar 201 and the second slide bar 205 are all provided with rolling grooves matched with the balls 17.

In the embodiment of the invention, the first slide bar 201 and the second slide bar 205 are driven to respectively abut against the ball 17 by the elastic force of the first elastic member 204, and the ball 17 is used as a fulcrum and does not influence the rotation of the grinding roller 1.

It should be noted that the telescopic connection unit 2 may also adopt other forms of telescopic structure matching the ball 17, and the first elastic member 204 may be not only a spring as shown in fig. 4, but also other elastic articles such as an elastic rubber sleeve, which is not limited herein.

As shown in fig. 1 and 3, as another preferred embodiment of the present invention, the locking assembly includes:

a stopper plate 18 fixed to the first drive lever 301 and abutting against the grinding roller 1; and

and the fastening piece 14 abuts against the grinding roller 1 and is in threaded connection with one end, away from the sliding seat 302, of the first driving rod 301.

In the embodiment of the invention, one end of the grinding roller 1 is limited by the limiting plate 18, and then is in threaded connection with the first driving rod 301 through the fastener 14, so that the fixing work of the grinding roller 1 is completed.

As shown in fig. 3 and 5, in one aspect of the present embodiment, the grinding roller 1 is provided with an open slot 13 for accommodating a fastening member 14, the grinding roller 1 is provided with a fixed slot 15 engaged with the first driving rod 301, a second elastic member 16 sleeved outside the fastening member 14 is arranged in the fixed slot 15, the second elastic member 16 is located between the end surface of the first driving rod 301 and the head of the fastening member 14, and the engaging force is enhanced by the elastic force of the second elastic member 16 to avoid loosening.

It should be stated that the locking assembly can also be a snap-fit structure, achieving the same fixing effect.

The embodiment of the invention provides a mechanical die surface grinding treatment device, a grinding roller 1, a telescopic connecting unit 2, an adjusting mechanism 3, a mounting plate 5, a bracket 10, a positioning unit 12 and a bearing table 19 are arranged, the positioning unit 12 is used for fixing and positioning a die body 20, the die body 20 is positioned right below the two grinding rollers 1, then the mounting plate 5 is driven by a lifting mechanism to drive the adjusting mechanism 3 to move towards the die body 20 until the adjusting mechanism 3 drives the grinding rollers 1 to enter the telescopic connecting unit 2, at the moment, the adjusting mechanism 3 is used for adjusting the two grinding rollers 1 to abut against the inner wall of the die body 20, at the moment, the two grinding rollers 1 are tightly abutted against the inner wall of the die body 20 due to the existence of the telescopic connecting unit 2, then a first driving unit is started, and the first driving unit is used for driving the grinding rollers 1 to rotate, the surface of the die body 20 is ground, so that the surfaces with different inner diameters can be ground efficiently and quickly, and the die is suitable for mechanical dies with different specifications.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.