Clamping tool for engine heat insulation pad production

Abstract

The invention relates to the technical field of clamping tools, in particular to an engine heat insulation pad production clamping tool which comprises a base and two fixed table tops, the two fixed table tops are fixedly mounted on the two sides of the upper surface of the base correspondingly, and first form assemblies are arranged on the fixed table tops; the first form assembly comprises two first adjusting grooves, the two first adjusting grooves are located in the two sides of the fixed table top correspondingly, and first adjusting studs are movably installed in the first adjusting grooves. According to the heat insulation pad cutting device, the plane-shaped heat insulation pad can be clamped from the side face, the stability of the heat insulation pad before cutting is improved, the situation that the heat insulation pad moves due to the fact that the pressure of the cutting die on the four edges of the heat insulation pad is different during cutting is avoided through negative pressure positioning, meanwhile, after cutting is conducted, when clamping of the first clamping piece fails, the heat insulation pad can still be positioned, and the cutting precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of clamping tooling, in particular to a clamping tooling for producing an engine thermal insulation pad. Background Art

[0002] The automobile engine compartment insulation pad is a kind of automobile insulation product. It is produced by high-frequency heat sealing of non-woven fabrics, hot-melt fabrics and PET cotton. The material is heat-sealed using a high-frequency machine for automobile insulation pads, and then the edge material is cut off using a precision four-column hydraulic cutting machine to obtain the finished product.

[0003] However, when using a four-column hydraulic cutting machine, the cutter die is usually hoisted on the upper panel of the cutting machine with the blade facing downward. The thermal insulation pad is placed on the slide plate, and then the machine is started so that the upper panel drives the cutter die to move downward to cut the thermal insulation pad. When operating in this way, flat products are usually cut, and the thermal insulation pad is molded according to the engine appearance of different models during production. Therefore, there are not only flat thermal insulation pads, but also thermal insulation pads with concave surfaces. If direct cutting is continued without clamping and positioning, inaccurate cutting is likely to occur. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a clamping tool for producing an engine thermal insulation pad, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an engine thermal insulation pad production clamping tool, including a base and a fixed table, the number of the fixed table is two, and they are respectively fixedly installed on both sides of the upper surface of the base, the fixed table is provided with a first form component, the first form component includes a first adjustment groove, the number of the first adjustment groove is two, and they are respectively located on both sides of the fixed table, the first adjustment groove, the first adjustment stud is movably installed in the first adjustment groove, the outer surface of the first adjustment stud is threadedly connected with a first adjustment nut, the first adjustment nut is located on the outer side of the fixed table, and a movable table is fixedly installed between the two first adjustment studs;

[0006] A positioning groove is provided in the middle of the movable table, a groove is provided on one side of the upper surface of the movable table, a clearance groove is provided in the groove, and a sealing plate is fixedly installed on the lower side of the clearance groove;

[0007] A fixing plate is provided on both sides of the base, a servo motor is fixedly installed on the surface of the fixing plate, a first gear is fixedly installed on the output shaft of the servo motor, first racks are meshed on the upper and lower sides of the first gear, a telescopic sleeve is fixedly installed on one end of the first rack on the lower side, a telescopic spring is fixedly installed on the bottom of the inner cavity of the telescopic sleeve, and a support plate is fixedly installed on the upper end of the telescopic spring;

[0008] A second adjusting stud is fixedly installed in the middle of the support plate, and second adjusting nuts are threadedly connected to both sides of the outer surface of the second adjusting stud, and the second adjusting nut is located outside the telescopic sleeve. A second adjusting groove adapted to the second adjusting nut is opened in the middle of the telescopic sleeve;

[0009] An adjusting member is fixedly mounted on the upper surface of the first rack on the upper side, a third adjusting stud is movably mounted in the adjusting member, a third adjusting nut is threadedly connected to one side of the outer surface of the third adjusting stud, a first clamping member is detachably mounted on one end of the third adjusting stud, and the third adjusting nut and the first clamping member are respectively located on both sides of the adjusting member;

[0010] A second form component is arranged on the fixed table top, and the second form component is used for improving the cutting effect of the thermal insulation pad.

[0011] Optionally, the second form component includes a cutting die and a second clamping member, the cutting die is located on the upper surface of the fixed table, and the second clamping member is detachably connected to the third adjusting stud;

[0012] A power column is fixedly installed on the surface of the movable table, and the power column is in the give way groove and is located above the sealing plate. A driving member is fixedly installed on the end of the power column away from the movable table, and a follower is movably contacted on one side of the driving member, and a third clamping member is fixedly installed on the side of the follower away from the driving member, a connecting member is fixedly installed below the follower, a sliding shaft is fixedly installed on the bottom of the connecting member, a guide rail is movably installed on the outer surface of the sliding shaft, and the guide rail is fixedly installed on the inner cavity wall surface of the base, and a barrel groove compatible with the follower and the third clamping member is opened on the surface of the fixed table.

[0013] Optionally, a protection assembly is provided on the first gear, the protection assembly includes a helical gear box, the input end of the helical gear box is fixedly connected to the first gear, the helical gear box is fixed on the surface of the base, and the output end of the helical gear box is fixedly mounted with a second gear;

[0014] A second rack is meshed above the second gear, a connecting column is fixedly installed at one end of the second rack, and a protective push plate is fixedly installed at one end of the connecting column away from the second rack;

[0015] A slider is fixedly mounted on one side of the first rack and the second rack, and a slide rail is movably mounted on the outer surface of the slider.

[0016] Optionally, the sliding block is T-shaped, and the three sliding rails are fixedly mounted on the surface of the base.

[0017] Optionally, limit blocks are fixedly installed at both ends of the sliding shaft, and the diameter of the limit blocks is greater than the width of the guide rail sliding groove.

[0018] Optionally, the shape of the slide groove on the guide rail is inclined, and the top of the guide rail is below the bottom of the movable table top.

[0019] Optionally, the bottom of the movable table top is in movable contact with the upper surface of the base, and a sealing ring is provided on the upper surface of the base.

[0020] Optionally, the fixing plate is fixedly mounted between two slide rails corresponding to the first rack, and the first rack is movably mounted between the base.

[0021] The present invention provides a clamping tool for producing an engine thermal insulation pad, which has the following beneficial effects:

[0022] 1. The engine thermal insulation pad production clamping tool can clamp the flat thermal insulation pad from the side through the first form component, thereby improving the stability of the thermal insulation pad before cutting, and through negative pressure positioning, avoid the movement of the thermal insulation pad due to the different pressures of the cutting die on the four sides of the thermal insulation pad during cutting. At the same time, after cutting, when the clamping of the first clamp fails, the thermal insulation pad can still be positioned to improve the cutting accuracy.

[0023] 2. The clamping tooling for producing the engine thermal insulation pad can clamp the inner side of the cutting die at the same time when cutting the thermal insulation pad with a concave surface through the second form component, thereby improving the stability of the cutting die and preventing it from deforming when it contacts the upper table of the cutting machine and affecting the cutting accuracy. At the same time, it can support both sides of the thermal insulation pad to prevent the side that is cut first from falling down and affecting the accuracy of the side that is not cut when the edge of the cutting die is not sharp enough.

[0024] 3. The engine insulation pad production clamping tooling can push the user away through the protective component when the equipment is automatically clamped, thereby avoiding the problem of accidental injury to the user after the cutting machine is started by mistake, ensuring a safe distance between the user and the cutting machine, and improving operational safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the first form of the present invention. Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the first form of the present invention. Figure 2 ;

[0027] Figure 3 This is a schematic diagram of the first form of the present invention. Figure 3 ;

[0028] Figure 4This is a schematic diagram of the first form of the present invention. Figure 4 ;

[0029] Figure 5 This is a schematic diagram of the first form of the present invention. Figure 5 ;

[0030] Figure 6 This is a schematic diagram of the first form of the present invention. Figure 6 ;

[0031] Figure 7 A schematic structural diagram of the positional relationship between the driving member and the driven member in the first embodiment of the present invention;

[0032] Figure 8 A schematic structural diagram of the positional relationship between the telescopic sleeve and the support plate in the first embodiment of the present invention;

[0033] Fig. 9 The second embodiment of the present invention is shown in FIG. Figure 1 ;

[0034] Fig.10 The second embodiment of the present invention is shown in FIG. Figure 2 ;

[0035] Fig.11 The second embodiment of the present invention is shown in FIG. Figure 3 ;

[0036] Fig.12 A schematic structural diagram of the positional relationship between the fixed table and the movable table in the second embodiment of the present invention;

[0037] Fig.13 The diagram is a structural diagram showing the positional relationship between the driving member and the driven member in the second embodiment of the present invention.

[0038] In the figure: 1, base; 11, fixed table; 2, first adjustment slot; 21, first adjustment stud; 22, first adjustment nut; 23, movable table; 24, positioning slot; 25, groove; 26, clearance slot; 27, sealing plate; 28, fixed plate; 29, servo motor; 210, first gear; 211, first rack; 212, telescopic sleeve; 213, telescopic spring; 214, support plate; 215, second adjustment stud; 216, second adjustment nut; 217, second adjustment slot ; 218, adjusting member; 219, third adjusting stud; 220, third adjusting nut; 221, first clamping member; 3, cutting die; 31, second clamping member; 32, power column; 33, driving member; 34, driven member; 35, third clamping member; 36, connecting member; 37, sliding shaft; 38, limit block; 39, guide rail; 310, barrel trough; 4, bevel gear box; 41, second gear; 42, second rack; 43, connecting column; 44, protective push plate; 45, slider; 46, slide rail. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0040] Example 1: Please refer to Figures 1 to 8 The present invention provides a technical solution: a clamping tool for producing an engine heat insulation pad, comprising a base 1 and a fixed table 11, the number of the fixed table 11 is two, and they are fixedly installed on both sides of the upper surface of the base 1, and a first form component is arranged on the fixed table 11, and the first form component comprises a first adjustment groove 2, the number of the first adjustment groove 2 is two, and they are located on both sides of the fixed table 11, the first adjustment groove 2, a first adjustment stud 21 is movably installed in the first adjustment groove 2, the outer surface of the first adjustment stud 21 is threadedly connected with a first adjustment nut 22, the first adjustment nut 22 is located on the outer side of the fixed table 11, and a movable table 23 is fixedly installed between the two first adjustment studs 21;

[0041] A positioning groove 24 is provided in the middle of the movable table 23, a groove 25 is provided on one side of the upper surface of the movable table 23, a clearance groove 26 is provided in the groove 25, and a sealing plate 27 is fixedly installed on the lower side of the clearance groove 26;

[0042] A fixing plate 28 is provided on both sides of the base 1, a servo motor 29 is fixedly installed on the surface of the fixing plate 28, a first gear 210 is fixedly installed on the output shaft of the servo motor 29, first racks 211 are meshed on the upper and lower sides of the first gear 210, a telescopic sleeve 212 is fixedly installed on one end of the lower first rack 211, a telescopic spring 213 is fixedly installed on the bottom of the inner cavity of the telescopic sleeve 212, and a support plate 214 is fixedly installed on the upper end of the telescopic spring 213;

[0043] A second adjusting stud 215 is fixedly installed in the middle of the support plate 214, and second adjusting nuts 216 are threadedly connected to both sides of the outer surface of the second adjusting stud 215. The second adjusting nut 216 is located outside the telescopic sleeve 212, and a second adjusting groove 217 adapted to the second adjusting nut 216 is opened in the middle of the telescopic sleeve 212;

[0044] An adjusting member 218 is fixedly mounted on the upper surface of the upper first rack 211, a third adjusting stud 219 is movably mounted in the adjusting member 218, a third adjusting nut 220 is threadedly connected to one side of the outer surface of the third adjusting stud 219, a first clamping member 221 is detachably mounted on one end of the third adjusting stud 219, and the third adjusting nut 220 and the first clamping member 221 are respectively located on both sides of the adjusting member 218;

[0045] The bottom of the movable table 23 is in movable contact with the upper surface of the base 1, and a sealing ring is provided on the upper surface of the base 1;

[0046] A second form component is arranged on the fixed table top 11, and the second form component is used to improve the cutting effect of the thermal insulation pad.

[0047] Specifically, when the thermal insulation pad produced is in a flat shape, a common operation method is to directly place the thermal insulation pad on the slide table of the cutting machine, and then make the upper table of the cutting machine drive the cutter die to move downward to achieve cutting of the thermal insulation pad. However, the number of edge blades of the cutter die is greater than one, and it is usually four-sided edge blades. It is difficult to ensure uniform sharpness of the four-sided edge blades. When cutting, the four sides of the thermal insulation pad are subjected to different forces, which easily causes the thermal insulation pad to move.

[0048] When in use, first fix the fixed table 11 on the slide of the cutting machine, and then place the thermal insulation pad flat on the upper surfaces of the fixed table 11 and the movable table 23, so that the upper surfaces of the fixed table 11 and the movable table 23 are in the same horizontal plane, and the center of the thermal insulation pad is in the positioning groove 24, and then start the servo motor 29 to drive the first gear 210 to rotate, so that the first gear 210 drives the first rack 211, and the upper first rack 211 drives the first clamping piece 221 to approach the fixed table 11, and thus approach the corners of the thermal insulation pad, so that the redundant corners of the thermal insulation pad are between the fixed table 11 and the first clamping piece 221, thereby achieving the clamping of the thermal insulation pad, and improving the stability of the thermal insulation pad before cutting;

[0049] Furthermore, the first rack 211 at the lower side will drive the telescopic sleeve 212 to move to both sides of the base 1. When the telescopic sleeve 212 moves, due to the elastic force of the telescopic spring 213, the support plate 214 contacts the bottom of the telescopic spring 213. Therefore, after the telescopic sleeve 212 moves, the pressure in the inner cavity of the base 1 and the pressure outside the base 1 change, thereby generating negative pressure, and cooperating with the positioning groove 24 to realize the positioning of the thermal insulation pad, which can avoid the movement of the thermal insulation pad due to the different pressures of the knife die on the four sides of the thermal insulation pad during cutting. After cutting, when the clamping of the first clamping member 221 fails, the thermal insulation pad can still be positioned, thereby improving the cutting accuracy.

[0050] It should be noted that before operation, it is necessary to check the sealing between the base 1, the movable table 23 and the support plate 214 to ensure that the sealing is qualified.

[0051] Example 2: Please refer to Figures 9 to 13 The second form component includes a cutting die 3 and a second clamping member 31, the cutting die 3 is located on the upper surface of the fixed table 11, and the second clamping member 31 is detachably connected to the third adjusting screw 219;

[0052] A power column 32 is fixedly installed on the surface of the movable table 23. The power column 32 is in the give way groove 26 and is located above the sealing plate 27. A driving member 33 is fixedly installed on the end of the power column 32 away from the movable table 23. A follower 34 is movably contacted on one side of the driving member 33. A third clamping member 35 is fixedly installed on the side of the follower 34 away from the driving member 33. A connecting member 36 is fixedly installed below the follower 34. A sliding shaft 37 is fixedly installed on the bottom of the connecting member 36. A guide rail 39 is movably installed on the outer surface of the sliding shaft 37. The guide rail 39 is fixedly installed on the inner cavity wall surface of the base 1. A barrel groove 310 adapted to the follower 34 and the third clamping member 35 is opened on the surface of the fixed table 11.

[0053] Limit blocks 38 are fixedly installed at both ends of the sliding shaft 37, and the diameter of the limit blocks 38 is larger than the width of the guide rail 39;

[0054] The shape of the slide groove on the guide rail 39 is inclined, and the top of the guide rail 39 is below the bottom of the moving table 23.

[0055] On the basis of Example 1, for non-planar thermal insulation pads, a common cutting method is to place a knife die on a slide table, and then place the thermal insulation pad on the knife die, so that the edge of the knife die coincides with the cutting position of the thermal insulation pad, thereby achieving cutting of the thermal insulation pad. However, during cutting, not only is the knife die difficult to fix, but it is also easy to move when in contact with the upper table surface. In addition, due to the different degrees of concavity and convexity of the thermal insulation pad, when the concave surface of the thermal insulation pad is large, it is difficult to place it on the knife die, which affects the cutting efficiency.

[0056] The present invention can adopt different clamping forms for planar and non-planar thermal insulation pads to achieve targeted clamping of the thermal insulation pad. When operating the concave thermal insulation pad, first disassemble the die cutter hoisted on the upper table and place it on the upper surface of the fixed table 11, then disassemble the first clamping member 221 from the third adjusting stud 219, and install the second clamping member 31, then loosen the first adjusting nut 22, and pull the movable table 23 so that the movable table 23 enters the inner cavity of the fixed table 11. At this time, the inner cavity of the base 1 is exposed, thereby providing an installation position for the concave surface of the thermal insulation pad, and then tighten the first adjusting nut 22 to make it tightly connected with the fixed table 11, thereby completing the positioning of the movable table 23.

[0057] When the movable table 23 moves, the movable table 23 no longer limits the support plate 214, and can move upward under the elastic force of the telescopic spring 213, and then the height of the support plate 214 is adjusted according to the heights of both sides of the concave surface of the thermal insulation pad. The height of the support plate 214 can be limited by adjusting the position of the second adjusting stud 215, so that after the thermal insulation pad is placed, the support plate 214 can support the thermal insulation pad;

[0058] After the adjustment is completed, it is necessary to start the servo motor 29 to drive the first gear 210 to rotate, so that the first gear 210 drives the first rack 211, so that the two support plates 214 are on both sides of the inner cavity of the base 1, and the second clamping member 31 will contact the cutting die 3 to limit the cutting die 3. At this time, the thermal insulation pad is placed above the cutting die 3, and the thermal insulation pad with a larger degree of concavity can be smoothly placed through the inner cavity of the base 1. At the same time, the support plate 214 can support both sides of the thermal insulation pad to prevent the side that is cut first from falling down when the edge of the cutting die is not sharp enough, thereby affecting the accuracy of the side that is not cut.

[0059] Furthermore, when the movable table 23 moves toward the fixed table 11, it will drive the power column 32 to move, so that the power column 32 drives the driving member 33 to move, and drives the driven member 34, so that the sliding shaft 37 moves in the guide rail 39, and under the guidance of the guide rail 39, the third clamping member 35 gradually approaches the cutting die 3 and contacts the cutting die 3 through the barrel groove 310, so as to achieve the positioning of the inner side of the cutting die 3, and avoid it from deforming inward when contacting with the upper table and affecting the cutting accuracy. Through the cooperation of the first form component and the second form component, accurate cutting of thermal insulation pads of different shapes can be achieved, thereby improving the versatility and flexibility of the equipment.

[0060] Example 3: Please refer to Figure 1 , Figure 8 and Fig. 9 A protection assembly is provided on the first gear 210, and the protection assembly includes a helical gear box 4, the input end of the helical gear box 4 is fixedly connected to the first gear 210, the helical gear box 4 is fixed on the surface of the base 1, and the output end of the helical gear box 4 is fixedly installed with a second gear 41;

[0061] A second rack 42 is meshed above the second gear 41, a connecting column 43 is fixedly mounted on one end of the second rack 42, and a protective push plate 44 is fixedly mounted on one end of the connecting column 43 away from the second rack 42;

[0062] A slider 45 is fixedly mounted on one side of the first rack 211 and the second rack 42, and a slide rail 46 is movably mounted on the outer surface of the slider 45;

[0063] The shape of the slider 45 is T-shaped, and the three slide rails 46 are fixedly mounted on the surface of the base 1;

[0064] The fixing plate 28 is fixedly installed between two slide rails 46 corresponding to the first rack 211 , and the first rack 211 is movably installed with the base 1 .

[0065] On the basis of the above embodiment, when the servo motor 29 is started and automatically clamped, the first gear 210 will drive the bevel gear box 4, so that the second gear 41 can rotate. The second gear 41 can drive the second rack 42 and drive the connecting column 43 to move, so that the connecting column 43 drives the protective push plate 44 to move forward and push the user away, thereby avoiding the problem of accidental injury to the user after the cutting machine is started by mistake, so that the protective push plate 44 can ensure a safe distance between the user and the cutting machine before the clamping operation is completed, thereby improving operational safety.

[0066] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping tool for producing an engine heat insulation pad, comprising a base (1) and a fixed table (11), wherein the number of the fixed table (11) is two and they are fixedly mounted on both sides of the upper surface of the base (1), respectively, and characterized in that: The fixed table (11) is provided with a first form component, the first form component comprising a first adjustment groove (2), the first adjustment groove (2) being two in number and being respectively located on both sides of the fixed table (11), the first adjustment groove (2), a first adjustment stud (21) being movably installed in the first adjustment groove (2), the outer surface of the first adjustment stud (21) being threadedly connected with a first adjustment nut (22), the first adjustment nut (22) being located on the outer side of the fixed table (11), and a movable table (23) being fixedly installed between the two first adjustment studs (21); A positioning groove (24) is provided in the middle of the movable table (23), a groove (25) is provided on one side of the upper surface of the movable table (23), a clearance groove (26) is provided in the groove (25), and a sealing plate (27) is fixedly installed on the lower side of the clearance groove (26); A fixing plate (28) is provided on both sides of the base (1), a servo motor (29) is fixedly mounted on the surface of the fixing plate (28), a first gear (210) is fixedly mounted on the output shaft of the servo motor (29), first racks (211) are meshed on both upper and lower sides of the first gear (210), a telescopic sleeve (212) is fixedly mounted on one end of the first rack (211) on the lower side, a telescopic spring (213) is fixedly mounted on the bottom of the inner cavity of the telescopic sleeve (212), and a support plate (214) is fixedly mounted on the upper end of the telescopic spring (213); A second adjusting stud (215) is fixedly mounted in the middle of the support plate (214); second adjusting nuts (216) are threadedly connected to both sides of the outer surface of the second adjusting stud (215); the second adjusting nut (216) is located outside the telescopic sleeve (212); and a second adjusting groove (217) adapted to the second adjusting nut (216) is provided in the middle of the telescopic sleeve (212); An adjusting member (218) is fixedly mounted on the upper surface of the first rack (211) on the upper side, a third adjusting stud (219) is movably mounted in the adjusting member (218), a third adjusting nut (220) is threadedly connected to one side of the outer surface of the third adjusting stud (219), a first clamping member (221) is detachably mounted on one end of the third adjusting stud (219), and the third adjusting nut (220) and the first clamping member (221) are respectively located on both sides of the adjusting member (218); The fixed tabletop (11) is provided with a second form component, and the second form component is used to improve the cutting effect of the thermal insulation pad.

2. The engine thermal insulation pad production clamping tool according to claim 1, characterized in that: The second form component comprises a cutting die (3) and a second clamping member (31), wherein the cutting die (3) is located on the upper surface of the fixed table (11), and the second clamping member (31) is detachably connected to a third adjusting stud (219); A power column (32) is fixedly installed on the surface of the movable table (23), and the power column (32) is located in the yield groove (26) and above the sealing plate (27). A driving member (33) is fixedly installed on the end of the power column (32) away from the movable table (23). A follower (34) is movably contacted on one side of the driving member (33), and a third clamping member (35) is fixedly installed on the side of the follower (34) away from the driving member (33). A connecting member (36) is fixedly installed below the follower (34), and a sliding shaft (37) is fixedly installed at the bottom of the connecting member (36). A guide rail (39) is movably installed on the outer surface of the sliding shaft (37), and the guide rail (39) is fixedly installed on the inner cavity wall surface of the base (1). The surface of the fixed table (11) is provided with a barrel groove (310) adapted to the follower (34) and the third clamping member (35).

3. The engine thermal insulation pad production clamping tool according to claim 2, characterized in that: The first gear (210) is provided with a protection component, the protection component comprising a helical gear box (4), the input end of the helical gear box (4) is fixedly connected to the first gear (210), the helical gear box (4) is fixed on the surface of the base (1), and the output end of the helical gear box (4) is fixedly mounted with a second gear (41); A second rack (42) is meshed above the second gear (41), a connecting column (43) is fixedly mounted on one end of the second rack (42), and a protective push plate (44) is fixedly mounted on one end of the connecting column (43) away from the second rack (42); A slider (45) is fixedly mounted on one side of the first rack (211) and the second rack (42), and a slide rail (46) is movably mounted on the outer surface of the slider (45).

4. The engine thermal insulation pad production clamping tool according to claim 3, characterized in that: The sliding block (45) is in a T-shape, and the three sliding rails (46) are all fixedly mounted on the surface of the base (1).

5. The engine thermal insulation pad production clamping tool according to claim 4, characterized in that: Limit blocks (38) are fixedly mounted on both ends of the sliding shaft (37), and the diameter of the limit blocks (38) is greater than the width of the sliding groove of the guide rail (39).

6. The engine thermal insulation pad production clamping tool according to claim 5, characterized in that: The shape of the slide groove on the guide rail (39) is inclined, and the top of the guide rail (39) is below the bottom of the moving table (23).

7. The engine thermal insulation pad production clamping tool according to claim 6, characterized in that: The bottom of the movable table (23) is in movable contact with the upper surface of the base (1), and a sealing ring is provided on the upper surface of the base (1).

8. The engine thermal insulation pad production clamping tool according to claim 7, characterized in that: The fixed plate (28) is fixedly mounted between two slide rails (46) corresponding to the first rack (211), and the first rack (211) is movably mounted on the base (1).

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